Im like a dog around the house

Ok at home I have 7 sisters and 1 brother including my parents, they all hate me they are all against me , each and everyone of them pass by and tell me watch out your life in the future is going to get f* up, believe it or not its also my parents, I tell them dont worry about me its my life, or I even ignore tham sometimes but notthin works, they tell me that b/c I had 2 boyfriends in my life and the rest of my sisters did not b/c they dont go out with boys, b/c they are all engaged even the one that is 14 is engaged, so they call me the hoe of the familly, I hate this life I just dont now what to do imagine living with 11 people in one house and they are all against u, they treat you lie a dog the last time I went to the mall was 1 year and half ago b/c im not allowed to step out the house only go to school and come bac to sool thats it, and when im sick they dont care as much, but when my sisters are sick my parents get worried and start to cry which kills me and I dont show it, im the different one in the familly, life for me is so hard and makes no sense so I dont get why im here. I need help what should I do to make my life worth a living, I tried to express my feelings to my parents and my sisters but they just start advicing me stuff that will hurt me but in the sametime they really dont care a bit, so I need help on how to get my life good , im only 15 I really need help