Stay Or Leave??

Hello, I don’t know what to do! I’m 32 weeks pregnant and got 2 kids from previous marrige , now my fiancé all the time keep abusing me with bad language and doesn’t respect me :( he shouting at kids and on me very loudly infront of them ! And I’m helping him with he’s business and if I say I won’t do something towards he’s business than he telling me to leave hes home or we are over 😑😑 in my opinion this is use ! I’m on debts he own me 1500zł in my currency money 💰but he don’t wanna give me but I really need cuz I didn’t pay for my child’s nursery or iPad bill and than I said I will help him with he’s business when he pay it off to me as I Need now and he said again we over bla bla and that he won’t give me and telling me fuck off :( he keep insulting me and making me feel bad :( what would you ladies do?! Please I’m starting hating my life cuz of him . But if I leave him I won’t have money at all to survive. Thx in andvance, also he keep drinking alcohol I tried to stop him but it’s not working I’m worry he will become alcoholic