What do you think i shall do?

hey my name is suman regmi. and i am from nepal. my mother ped away when i was a kid and then after few month later i came to know that my father has a wife with whom he has a son. so he brought them home to live with us. and now suddenly they asked me to leave them and be on my own....i dont have any relatives and not enough money that i can live on my own....what do you think i should do?