He's a classic gaslighting cunt who is turning the tables to make you feel crazy and feel at fault. He is probably at the least high on the narcissist scale which means he has little to no empathy and will use unpleasant tactics in all his communication methods. They never change, ever. Change is only to suck you back in and is temporary.
He knows you have no support and you're therefore emotionally very vulnerable ( you are not a weak person, you're just isolated and on your ass ATM).
Women's Aid - they will know all about how to start planning a way out from these arseholes and can advise you.
Is the bloke on a joint tenancy or anything like that?
Joint benefit claims?
Any financial ties to him?
The above are the big hurdles to address.
Is there any person you trust that you can speak to for support not connected to him?
Feeling afraid is normal when dealing with people like this. It took me 40 odd years to no contact an abusive alcoholic sibling. I had and have no support.
It is not as easy as people think to overcome the fear and terror these arseholes create. I imagine OP might have family who have also treated her like shite and she therefore is confused about her own reality and incredibly vulnerable.
At the very least OP, call Women's Aid and tell them everything 🙏
Duck duck go is an anonymous search engine. Use that instead of Google etc.