FAMILY HELP!!!!

So my father is a drunk and im done with his bullshit. I dont know what to do. its at the point that if dad drinks he wont live past summer. its tearing my family apart.

i just dont know what to do. do i get a job and move out?? do i take my sisters with me?? stay?? im just really confused

he is making me feel useless and unwanted. he was in the hospital 2 years ago and had been sober for a year. when he started drinking again i was the only one who knew. this made me depressed him chosing the bottle over his kids. i began cutting last december. i just dont know what to do.

please help