If your friend is in her 30s the only option would be for her to be given a guardianship over you. If you are being neglected, please contact a teacher, counselor or other person that can get you proper social services
First off, make sure you are safe. If you are being neglected you need to talk to your school counselor, the local police department or other community resources to make sure you are healthy and safe. Secondly, your friend (if he or she is stable and can prove to be stable) needs to seek and file for guardianship over you. At that point, a hearing can and will be had and a Judge will be able to decide if that is in your best interest or not. Keep your head up and pray!