How can I get into a foster family?

Well im 16 and I live at home with a strict and old fashion farther im his only child he’s married to my mother for 11 years,and been with her for 20 and my dad steped in and took care of my brothers and sister but later down the years when my sister was growing up she been viluated by my dad he took off her knob of the door and in look through the door hole and while he thought she was sleepping and brother got the nerve to take off his knob off hiz door in put it on her’s since all this crazy stuff happened my aunt decide to take it to court and win custody over my sister and she did!I was young at the time all I had in my mind was why my family so unhappy with eachother?and as I started to grow up as a teen the stuff started to happen to me!and the same stuff he did to my brother he does to me but I get it worse my dad emotionally and physically abuse me he calls me every name he knows a b a hoe and a stupid motherf-ing retard and a good for nothing stripper and he said I was a mistake he threatens to f me up and kill me and to brake all my bones in my body.I not allowed to go out with friends and I had a boyfriend but I cant see him anymore or I will get kicked out of the house because he said if I go with a boy he has to take care of me and im justing feeling like I want to die because im not being understand at all.why my family never try to come rescue me im not important I dont matter or is because im his child they spend time with my other brothers and sisters but when it came down to me they ditch me I feel its because im my dad child when I look at my house coming back from some where I look at as if it was hell and if I was walking to the store with an older causin he would follow me.and his white esculade and I have night mare about seeing his car and being hit and told I was nothing in my dreams like what happens in real life but the only thing is that im brave enough to fight him back! Im so tired of not being happy I wish I can be like other teens they go out placees and have relation with there mother my mother tells me she cant do nothing about because he’s grown and im a child she feels children can be treated like anything so I feel like a orphan a lot im grateful but not happy im a rude person yes but I can’t help because I wasn’t always like this I feel im the only person that defends me and I want to protect myself from males because going through middle school I had these twins counselors who got me through middle school the montecu’s twin beautyful jamacian twins I want to be love thaats all and I dont feel that in middle school I got pcked on 24/7 itwas hard now ima kinda popular but its getting even worse my mom was crying because she tired of the life to but for 1nce in my life I didnt care because if she waant it to change she would do somthing about instead of cry my mom mean the world to me but im getting bad vibe’s that she doesn’t care about e any more she put her husband first before anybody I know I have a problem being rude and mean because all these years I’ve been angry and side and im tired im going to kill myself and I before I do that I can find a nice froster parent who will care for me.my dad going to lose his marriage anywayy cause he’s to argermentive with everybody he’s very misserable and if im smiling he always take it away because that brighten his day im dont even like smiling anymore I feel ugly and hurt he want nobody arounds he think ima no educated hoe how I can gt away?I need help im tired of taking sleeping medicine and sleepy pills so I can sleep my pain away I wish I can die how can I get away in a froster home?