Is Divorce through Lawyers Valid in Islam?

Her husband divorced her twice and she has got to know a young man via the internet who wants to marry her

He spoke the words of divorce because his wife yells at her daughter

He said to his wife, “If I bring you home then you are divorced”

He divorced her before consummation of the marriage and she is thinking of going back to him

He did a marriage contract with her and she changed – should he divorce her?

His wife became Muslim but he hurts her and mistreats her

Divorce does not take place on the basis of a decision or intention unless the words are uttered

Her parents refuse to let her go back to her husband who divorced her by khula’

She insulted him and his family, so he divorced her three times