hi! my name is mike and am living in Ohio and my friend is from Syria but hes living in turkey.. he was trying to find ways to get to the US to study there or to visit me.. hes planning to stay in the US forever, so i was wondering if there is a way to bring him here, should he buy a visit visa? or an education visa? hes 18 and hes in college now.. if yall can tell me all the possible ways to bring him here