A qualifying relative any person (other than your spouse) who lived with you all year as a member of your household if your relationship did not violate local law. If the person did not live with you for the required time, see Exception to time lived with you, later Who was not a qualifying child (see Step 1) of any taxpayer for 2011. For this purpose, a person is not a taxpayer if he or she is not required to file a U.S. income tax return and either does not file such a return or files only to get a refund of withheld income tax or estimated tax paid Who had gross income of less than $3,700 in 2011. If the person was permanently and totally disabled, see Exception to gross income test, later For whom you provided over half of his or her support in 2011.
You still did not answer if he is F1 visa or not. If he is F1 visa, he will be nonresident alien in 2010, 2011, 2012, 2013, and 2014, so in these five years, you can NOT claim him as dependent. If he is not F1 visa, the rules may be different.