How should a female questioner treat her father who married another woman against her wishes? Should she sever ties with him, or continue with the same previous treatment despite the rift that has occurred in the relationship?

You must be dutiful to your father, even if he marries another, and it is not permissible to sever ties with him because his right is great and does not fall, no matter what his situation. Rather, you should honor his second wife as a sign of dutifulness to him.