Umm...I guess you do the best you can? Yeah, sounds like you're between a rock and a hard place with this one. If your goal is to find a job, earn some money, and find a place to live, you may want to check around for any local charities that might be able to help you. They may be able to help you out with some food and clothing.
Do you have any marketable skills? Even if you don't have specific skills per se, if you are willing to start low and work hard, someone may be willing to give you a job of some kind.