As if you were the only people on earth who could employ him? He can't go to social services, a homeless shelter, someplace like that? Churches hand out free food.
I don't want to tell you what to do, but it sounds like he's being manipulative to me. "Oh poor me ... starving, shivering, outdoors me ..."
Everyone else in the world seems to be able to provide these things for themselves, or works toward being able to. What makes him so precious?