Friend with serious problems. any help??

ok so one of my really good friends is having some really serious issues. she lived w/her mom, stepdad, and 2 sisters 4 a while. she started cutting herself cuz her mom called a slut and all kinds of stuff. guys at school were always harrasing her. she went out w/ this guy that i know and later he told me he only went out w/ her cuz he felt bad 4 her. this summer she moved 2 wyoming with her family but they were only there 4 like 2 months and she moved back. she told me that her mom beat her while there were there bcuz she didnt du something right or her sisters did something. u kno stuff she didnt even du. once they moved back her mom kicked her out of the house and shes loving w/her grandma. now shes making her pay rent, buy her own food, and pay for like all this other crap. shes only 15! and she has no job. she told me that he grandpa touches her and she hates it there. i feel awful bcuz shes been living in a hell hole. i have no idea wat 2 du for her. can ne1 help?