If your Wali (father) is unfit to be your wali, you should take your case to the Islamic court and complain to them and they will appoint the next one in line to be your wali such as your paternal grandfather or your paternal uncle or your bother.
If your Wali (father) is unfit to be your wali, you should take your case to the Islamic court and complain to them and they will appoint the next one in line to be your wali such as your paternal grandfather or your paternal uncle or your bother.