No. If he has no taxable income to enter then he does not have to file a tax return. If he lived with you for the WHOLE year in 2023, and had less than $4700 of income---not counting Social Security----then he may be your "qualified relative" dependent and you get the $500 credit for other dependents for claiming him. He is not a qualified dependent to let you file as Head of Household.
CREDIT FOR OTHER DEPENDENTS
https://ttlc.intuit.com/questions/4499708-what-is-the-500-credit-for-other-dependents-family-tax-cre...
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