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      <link:loc xlink:type="locator" xlink:href="nlfiv-20261026.xsd#nlfiv_LeverageRiskMember" xlink:label="nlfiv_LeverageRiskMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_MarketRiskMember_lbl" xml:lang="en-US">Market 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_C000240582Member_lbl" xml:lang="en-US">Fulcrum Diversified Absolute Return Fund Super Institutional Class</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_C000240584Member_lbl" xml:lang="en-US">Fulcrum Diversified Absolute Return Fund Institutional Class</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlfiv_C000240583Member_lbl" xml:lang="en-US">Fulcrum Diversified Absolute Return Fund Advisor Class</link:label>
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