What should I do about my father wanting to marry a woman of ill repute for no reason, while my mother is distressed by this matter?

It is not permissible for the father to treat the mother harshly, and he has the right to polygamy if its conditions are met. It is not permissible to oppose him if he insists on it, while the parents must be honored. If the woman's reputation is bad, the father is advised to seek another through someone influential to him. The mother must accept the matter with patience and good wifely conduct, and she should review herself, for her shortcomings might be the reason for the father's pursuit of marriage.