Want to be seprated from my sick psychopath mom

I want to get rid of my psychopath mother oer and torches me a lot because of her boyfriends and she is psychopath and literally doesn't want MI to talk to anyone else and she threatens me to kill everyone that I talk to and that I love and I had a Muslim boyfriend but he was not part and she is just angry with me because he is Muslim and nothing else so she made my life hell I just want to get rid of her because she is literally a psychopath and she doesn't understand the language of love and I just not able to speak to her like a human being and just f***** up and I am about to clear my 12th and I just want to take any legal action for getting and separation and my mum was divorced 15 years back and my father literally transform leaving me behind with this kind of psychopath lady and now she just want to kill me because I have a Muslim boyfriend and she won't allow me to study she won't allow me to do my job properly she is just putting me in a situation that I feel so stuck