My brother has married one girl and has left her after 5 years and had done some debts and had upsca

My brother has married one girl and has left her after 5 years and had done some debts and had upscanded for 4 months nearly at that time he stayed with another girl and had cheated her and again upscanded she had enquired about him and had filed a police case and the police has came to my mothers house and i (widowed) having one son staying with mom to take care of my single mom( my father) dead and they had taken me to station and was kept for half day till night 9.pm and had send me and again they are calling to come to station along with my mom( age 65) after one day my brother contacted me by whts app call and had told that he will come to police station. He came and i have surrendered him to police and went away. He for a period of 5 days daily night came to house and gone to station morning every day and had settled the matter with that girl that he will pay all money with in 4 months and had gone. After one month he was started torching my mom that he will come to my moms house and will stay my mom told that dont come you have done debts and all people are coming to my house and making nuisance and scolding there is no security for us. Then he complained on me(his sister) who is staying with mom that she is not allowing to come to house and he had married that 2nd girl and had taken money from her and had given to me. Then police has called me and my relatives then we told all the things done by him. The next day i have decided to vacate the house along with my mom and have given the house to him for satying. He came and stayed almost for one year and since 2 to 3 months some creditors had started coming to my mom house in which he was staying and had beaten him and he had again upscanded. Now he is daily torching me and my mom to sale the house and give him 15 lakhs money and for his food he is daily asking money from my mom since 3 months eb bill also my mom is paying.pls guide us how to resolve this issue and get out of it. We are so much scared of living lonely( with no male) me my mom and my son 10 year living in a rented house.pls help us sir.its my genuine request sir.