Oh....
Then
..... I don't know actually try to make enough money to move out if they won't let you leave then
Sue them yourself when you can go out on your own and state your facts keep recorded evidence and texts from friends about it and then say what they have done
Oh...
Uhm
Well
Another way is that you can probably tell a friend and the friend can take you in and maybe the parents of your selected friend can sue your family for child abuse and neglect