Not to mention the fact that, legally speaking, if there is no compensation then there is no transfer of ownership on any of the work done. There could be a st

Not to mention the fact that, legally speaking, if there is no compensation then there is no transfer of ownership on any of the work done. There could be a strong claim to code copyright later on, though without him being citizen I'm not sure what rights he would actually have. Would cost a bit for a lawyer to draft up some contract stipulating the housing as a form of compensation, but again not being a citizen could be a problem.