Not without the SSN.
Additionally, you must provide more than half his total financial support, and he can't have more than $4700 of taxable income. Support includes government assistance, charity, and so on. If he receives disability payments, section 8 housing, Medicaid funding for his illness, or other support, you have to be able to prove that, considering all his living and medical expenses and all the sources of support, you provide more than half the total.
