Divorce and child Custody

I filed divorce and domestic violation case in may 2016 against my husband. Then my husband promised me not to harass me me again and requested to withdraw the case. He is a lawyer. I started to live with him in sep 2017, withdrawal was not completed , within 20 days when withdrawal process was in middle, again he started to harass me and defame my dignity on road , anywhere he wanted. At that point of time my Divorce case was in mediation , DV got dismissed becoz of my husband. He misguided me. Then I reopened both cases . Again he asked for sorry many times , he came with many old people to sort out the situation. Again I forgive him and started to live with him and withdrawal my cases. I am living with him for last 6 month and now he started the same with me. He does not love our daughter. He loves his brother's son only. I want stay at home and want him to go to court . From the day one I am supporting our family financially . Now my daughter needs me , she is 3years 9 months old. I asked him to help us financially ,but he stays at home and do some of the house hold work, That I don't want. I go to the office. He does not allow me to talk to my sister, I don't have any brother, I abuse my father my mom. I am fed up now. If I leave him and starts living with my daughter then what are his rights? I don't want to give him girl child custody as in my in-laws family there is no women who can take care of my daughter. My husband's brother's wife does not live with his husband, as she is seperated from him for last 8-9 years. My husband and my father in-law both are lawyer . My husband is involved in his ex girl friend's murder . Please suggest me , I feel ,like ill be made one day with him...... he has taken the custody of his brother's son as well. I am afraid . I don't want to marry again but don't want to live with him and don't want to give my daughter's custody to such criminal people. Please suggest........,, please help.....