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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_S000071242Member_lbl" xml:lang="en-US">Monarch Ambassador Income Index ETF</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_CommoditiesRiskMember_lbl" xml:lang="en-US">Commodities Risk [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_ConvertibleBondRiskMember_lbl" xml:lang="en-US">Convertible Bond Risk [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditRiskMember_lbl" xml:lang="en-US">Credit Risk [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_CurrencyRiskMember_lbl" xml:lang="en-US">Currency Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_EarlyClosetradingHaltRiskMember" xlink:label="nlfiv_EarlyClosetradingHaltRiskMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_EarlyClosetradingHaltRiskMember_lbl" xml:lang="en-US">Early Closetrading Halt Risk [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_EtfStructureRiskMember_lbl" xml:lang="en-US">Etf Structure Risk [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_NotIndividuallyRedeemableMember_lbl" xml:lang="en-US">Not Individually Redeemable [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_TradingIssuesMember_lbl" xml:lang="en-US">Trading Issues [Member]</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_MarketPriceVarianceRiskMember" xlink:to="nlfiv_MarketPriceVarianceRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MarketPriceVarianceRiskMember_lbl" xml:lang="en-US">Market Price Variance Risk [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_ExtensionRiskMember_lbl" xml:lang="en-US">Extension Risk [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_FixedIncomeRiskMember_lbl" xml:lang="en-US">Fixed Income Risk [Member]</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_ForeignRiskMember" xlink:to="nlfiv_ForeignRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_ForeignRiskMember_lbl" xml:lang="en-US">Foreign Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_HighyieldRiskMember" xlink:label="nlfiv_HighyieldRiskMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_HighyieldRiskMember_lbl" xml:lang="en-US">Highyield Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_IncomeRiskMember" xlink:label="nlfiv_IncomeRiskMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_IncomeRiskMember_lbl" xml:lang="en-US">Income Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateRiskMember" xlink:label="us-gaap_InterestRateRiskMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestRateRiskMember_lbl" xml:lang="en-US">Interest Rate Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_IssuerRiskMember" xlink:label="nlfiv_IssuerRiskMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_IssuerRiskMember_lbl" xml:lang="en-US">Issuer Risk [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MarketAndGeopoliticalRiskMember_lbl" xml:lang="en-US">Market And Geopolitical Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_MortgagebackedSecuritiesRiskMember" xlink:label="nlfiv_MortgagebackedSecuritiesRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_MortgagebackedSecuritiesRiskMember" xlink:to="nlfiv_MortgagebackedSecuritiesRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MortgagebackedSecuritiesRiskMember_lbl" xml:lang="en-US">Mortgagebacked Securities Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_PassiveInvestmentRiskMember" xlink:label="nlfiv_PassiveInvestmentRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_PassiveInvestmentRiskMember" xlink:to="nlfiv_PassiveInvestmentRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_PassiveInvestmentRiskMember_lbl" xml:lang="en-US">Passive Investment Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_PortfolioTurnoverRiskMember" xlink:label="nlfiv_PortfolioTurnoverRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_PortfolioTurnoverRiskMember" xlink:to="nlfiv_PortfolioTurnoverRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_PortfolioTurnoverRiskMember_lbl" xml:lang="en-US">Portfolio Turnover Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaymentRiskMember" xlink:label="us-gaap_PrepaymentRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaymentRiskMember" xlink:to="us-gaap_PrepaymentRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaymentRiskMember_lbl" xml:lang="en-US">Prepayment Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_TrackingErrorRiskMember" xlink:label="nlfiv_TrackingErrorRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_TrackingErrorRiskMember" xlink:to="nlfiv_TrackingErrorRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_TrackingErrorRiskMember_lbl" xml:lang="en-US">Tracking Error Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_UnderlyingEtfRiskMember" xlink:label="nlfiv_UnderlyingEtfRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_UnderlyingEtfRiskMember" xlink:to="nlfiv_UnderlyingEtfRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_UnderlyingEtfRiskMember_lbl" xml:lang="en-US">Underlying Etf Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_USTreasuryObligationsRiskMember" xlink:label="nlfiv_USTreasuryObligationsRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_USTreasuryObligationsRiskMember" xlink:to="nlfiv_USTreasuryObligationsRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_USTreasuryObligationsRiskMember_lbl" xml:lang="en-US">U S Treasury Obligations Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_S000071243Member" xlink:label="nlfiv_S000071243Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_S000071243Member" xlink:to="nlfiv_S000071243Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_S000071243Member_lbl" xml:lang="en-US">Monarch Blue Chips Elite Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_DerivativesRiskMember" xlink:label="nlfiv_DerivativesRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_DerivativesRiskMember" xlink:to="nlfiv_DerivativesRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_DerivativesRiskMember_lbl" xml:lang="en-US">Derivatives Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_EquitySecuritiesRiskMember" xlink:label="nlfiv_EquitySecuritiesRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_EquitySecuritiesRiskMember" xlink:to="nlfiv_EquitySecuritiesRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_EquitySecuritiesRiskMember_lbl" xml:lang="en-US">Equity Securities Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_LargeCapitalizationCompanyRiskMember" xlink:label="nlfiv_LargeCapitalizationCompanyRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_LargeCapitalizationCompanyRiskMember" xlink:to="nlfiv_LargeCapitalizationCompanyRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_LargeCapitalizationCompanyRiskMember_lbl" xml:lang="en-US">Large Capitalization Company Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_SectorExposureRiskMember" xlink:label="nlfiv_SectorExposureRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_SectorExposureRiskMember" xlink:to="nlfiv_SectorExposureRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_SectorExposureRiskMember_lbl" xml:lang="en-US">Sector Exposure Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_TechnologySectorRiskMember" xlink:label="nlfiv_TechnologySectorRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_TechnologySectorRiskMember" xlink:to="nlfiv_TechnologySectorRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_TechnologySectorRiskMember_lbl" xml:lang="en-US">Technology Sector Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_S000083387Member" xlink:label="nlfiv_S000083387Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_S000083387Member" xlink:to="nlfiv_S000083387Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_S000083387Member_lbl" xml:lang="en-US">Monarch Dividend Plus Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_DividendpayingStockRiskMember" xlink:label="nlfiv_DividendpayingStockRiskMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_DividendpayingStockRiskMember_lbl" xml:lang="en-US">Dividendpaying Stock Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_LimitedHistoryOfOperationsRiskMember" xlink:label="nlfiv_LimitedHistoryOfOperationsRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_LimitedHistoryOfOperationsRiskMember" xlink:to="nlfiv_LimitedHistoryOfOperationsRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_LimitedHistoryOfOperationsRiskMember_lbl" xml:lang="en-US">Limited History Of Operations Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_ValueRiskMember" xlink:label="nlfiv_ValueRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_ValueRiskMember" xlink:to="nlfiv_ValueRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_ValueRiskMember_lbl" xml:lang="en-US">Value Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_S000071244Member" xlink:label="nlfiv_S000071244Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_S000071244Member" xlink:to="nlfiv_S000071244Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_S000071244Member_lbl" xml:lang="en-US">Monarch ProCap Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_S000083388Member" xlink:label="nlfiv_S000083388Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_S000083388Member" xlink:to="nlfiv_S000083388Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_S000083388Member_lbl" xml:lang="en-US">Monarch Select Subsector Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_HealthcareSectorRiskMember" xlink:label="nlfiv_HealthcareSectorRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_HealthcareSectorRiskMember" xlink:to="nlfiv_HealthcareSectorRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_HealthcareSectorRiskMember_lbl" xml:lang="en-US">Healthcare Sector Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_S000083389Member" xlink:label="nlfiv_S000083389Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_S000083389Member" xlink:to="nlfiv_S000083389Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_S000083389Member_lbl" xml:lang="en-US">Monarch Volume Factor Dividend Tree Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_ConsumerDiscretionarySectorRiskMember" xlink:label="nlfiv_ConsumerDiscretionarySectorRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_ConsumerDiscretionarySectorRiskMember" xlink:to="nlfiv_ConsumerDiscretionarySectorRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_ConsumerDiscretionarySectorRiskMember_lbl" xml:lang="en-US">Consumer Discretionary Sector Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_FinancialsSectorRiskMember" xlink:label="nlfiv_FinancialsSectorRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_FinancialsSectorRiskMember" xlink:to="nlfiv_FinancialsSectorRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_FinancialsSectorRiskMember_lbl" xml:lang="en-US">Financials Sector Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_SmallAndMidcapitalizationCompaniesRiskMember" xlink:label="nlfiv_SmallAndMidcapitalizationCompaniesRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_SmallAndMidcapitalizationCompaniesRiskMember" xlink:to="nlfiv_SmallAndMidcapitalizationCompaniesRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_SmallAndMidcapitalizationCompaniesRiskMember_lbl" xml:lang="en-US">Small And Midcapitalization Companies Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_S000083390Member" xlink:label="nlfiv_S000083390Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_S000083390Member" xlink:to="nlfiv_S000083390Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_S000083390Member_lbl" xml:lang="en-US">Monarch Volume Factor Global Unconstrained Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_EmergingMarketRiskMember" xlink:label="nlfiv_EmergingMarketRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_EmergingMarketRiskMember" xlink:to="nlfiv_EmergingMarketRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_EmergingMarketRiskMember_lbl" xml:lang="en-US">Emerging Market Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_C000226137Member" xlink:label="nlfiv_C000226137Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000226137Member" xlink:to="nlfiv_C000226137Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="nlfiv_C000226137Member_lbl" xml:lang="en-US">Monarch Ambassador Income Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_C000226138Member" xlink:label="nlfiv_C000226138Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000226138Member" xlink:to="nlfiv_C000226138Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="nlfiv_C000226138Member_lbl" xml:lang="en-US">Monarch Blue Chips Elite Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_C000246990Member" xlink:label="nlfiv_C000246990Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000246990Member" xlink:to="nlfiv_C000246990Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="nlfiv_C000246990Member_lbl" xml:lang="en-US">Monarch Dividend Plus Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_C000226139Member" xlink:label="nlfiv_C000226139Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000226139Member" xlink:to="nlfiv_C000226139Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="nlfiv_C000226139Member_lbl" xml:lang="en-US">Monarch ProCap Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_C000246991Member" xlink:label="nlfiv_C000246991Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000246991Member" xlink:to="nlfiv_C000246991Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="nlfiv_C000246991Member_lbl" xml:lang="en-US">Monarch Select Subsector Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_C000246992Member" xlink:label="nlfiv_C000246992Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000246992Member" xlink:to="nlfiv_C000246992Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="nlfiv_C000246992Member_lbl" xml:lang="en-US">Monarch Volume Factor Dividend Tree Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_C000246993Member" xlink:label="nlfiv_C000246993Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000246993Member" xlink:to="nlfiv_C000246993Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="nlfiv_C000246993Member_lbl" xml:lang="en-US">Monarch Volume Factor Global Unconstrained Index ETF</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_MonarchAmbassadorIncomeIndexMember" xlink:label="nlfiv_MonarchAmbassadorIncomeIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_MonarchAmbassadorIncomeIndexMember" xlink:to="nlfiv_MonarchAmbassadorIncomeIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MonarchAmbassadorIncomeIndexMember_lbl" xml:lang="en-US">Monarch Ambassador Income Index</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_BloombergUSAggregateBondIndexMember" xlink:label="nlfiv_BloombergUSAggregateBondIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_BloombergUSAggregateBondIndexMember" xlink:to="nlfiv_BloombergUSAggregateBondIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_BloombergUSAggregateBondIndexMember_lbl" xml:lang="en-US">Bloomberg U.S. Aggregate Bond Index</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_MonarchBlueChipsCoreIndexMember" xlink:label="nlfiv_MonarchBlueChipsCoreIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_MonarchBlueChipsCoreIndexMember" xlink:to="nlfiv_MonarchBlueChipsCoreIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MonarchBlueChipsCoreIndexMember_lbl" xml:lang="en-US">Monarch Blue Chips Core Index</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_SAndP500IndexMember" xlink:label="nlfiv_SAndP500IndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_SAndP500IndexMember" xlink:to="nlfiv_SAndP500IndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_SAndP500IndexMember_lbl" xml:lang="en-US">S&amp;P 500 Index</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_MonarchDividendPlusIndexMember" xlink:label="nlfiv_MonarchDividendPlusIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_MonarchDividendPlusIndexMember" xlink:to="nlfiv_MonarchDividendPlusIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MonarchDividendPlusIndexMember_lbl" xml:lang="en-US">Monarch Dividend Plus Index</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DowJonesIndustrialAverageMember" xlink:label="us-gaap_DowJonesIndustrialAverageMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DowJonesIndustrialAverageMember" xlink:to="us-gaap_DowJonesIndustrialAverageMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DowJonesIndustrialAverageMember_lbl" xml:lang="en-US">Dow Jones Industrial Average Index [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_SAndP500Composite1500ValueIndexUSDTRMember" xlink:label="nlfiv_SAndP500Composite1500ValueIndexUSDTRMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_SAndP500Composite1500ValueIndexUSDTRMember" xlink:to="nlfiv_SAndP500Composite1500ValueIndexUSDTRMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_SAndP500Composite1500ValueIndexUSDTRMember_lbl" xml:lang="en-US">S&amp;P 500 Composite 1500 Value Index USD TR</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_MonarchProCapIndexMember" xlink:label="nlfiv_MonarchProCapIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_MonarchProCapIndexMember" xlink:to="nlfiv_MonarchProCapIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MonarchProCapIndexMember_lbl" xml:lang="en-US">Monarch ProCap Index</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_SAndPTargetRiskModerateIndexMember" xlink:label="nlfiv_SAndPTargetRiskModerateIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_SAndPTargetRiskModerateIndexMember" xlink:to="nlfiv_SAndPTargetRiskModerateIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_SAndPTargetRiskModerateIndexMember_lbl" xml:lang="en-US">S&amp;P Target Risk Moderate Index</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_MonarchSelectSubsectorIndexMember" xlink:label="nlfiv_MonarchSelectSubsectorIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_MonarchSelectSubsectorIndexMember" xlink:to="nlfiv_MonarchSelectSubsectorIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MonarchSelectSubsectorIndexMember_lbl" xml:lang="en-US">Monarch Select Subsector Index</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_MonarchVolumeFactorGlobalUnconstrainedIndexMember" xlink:label="nlfiv_MonarchVolumeFactorGlobalUnconstrainedIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_MonarchVolumeFactorGlobalUnconstrainedIndexMember" xlink:to="nlfiv_MonarchVolumeFactorGlobalUnconstrainedIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MonarchVolumeFactorGlobalUnconstrainedIndexMember_lbl" xml:lang="en-US">Monarch Volume Factor Global Unconstrained Index</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_SAndPComposite1500IndexMember" xlink:label="nlfiv_SAndPComposite1500IndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_SAndPComposite1500IndexMember" xlink:to="nlfiv_SAndPComposite1500IndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_SAndPComposite1500IndexMember_lbl" xml:lang="en-US">S&amp;P Composite 1500 Index</link:label>
      <link:loc xlink:type="locator" xlink:href="nlfiv-20260624.xsd#nlfiv_SAndPGlobal1200IndexMember" xlink:label="nlfiv_SAndPGlobal1200IndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_SAndPGlobal1200IndexMember" xlink:to="nlfiv_SAndPGlobal1200IndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_SAndPGlobal1200IndexMember_lbl" xml:lang="en-US">S&amp;P Global 1200 Index</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000226137Member" xlink:to="nlfiv_C000226137Member_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_C000226137Member_2_lbl" xml:lang="en-US">Monarch Ambassador Income Index ETF [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000226138Member" xlink:to="nlfiv_C000226138Member_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_C000226138Member_2_lbl" xml:lang="en-US">Monarch Blue Chips Elite Index ETF [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000246990Member" xlink:to="nlfiv_C000246990Member_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_C000246990Member_2_lbl" xml:lang="en-US">Monarch Dividend Plus Index ETF [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000226139Member" xlink:to="nlfiv_C000226139Member_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_C000226139Member_2_lbl" xml:lang="en-US">Monarch ProCap Index ETF [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000246991Member" xlink:to="nlfiv_C000246991Member_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_C000246991Member_2_lbl" xml:lang="en-US">Monarch Select Subsector Index ETF [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000246992Member" xlink:to="nlfiv_C000246992Member_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_C000246992Member_2_lbl" xml:lang="en-US">Monarch Volume Factor Dividend Tree Index ETF [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlfiv_C000246993Member" xlink:to="nlfiv_C000246993Member_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_C000246993Member_2_lbl" xml:lang="en-US">Monarch Volume Factor Global Unconstrained Index ETF [Default Label]</link:label>
    </link:labelLink>
</link:linkbase>
