help russian student...

My name is Yury. I the student on an exchange from Russia, under program Work and Travel.
My agency in Russia I have deceived me with work here, now without work, without money, I live at friends but on long they me will not shelter. I ask who we can, me to help with work or still as, write… My agency from Russia does not answer me, and simply ignores me. What to me to do?