Shar’i implications of husband’s zina with his wife’s mother before and after marriage

He forged a paper saying that he was single so that he could take a second wife

Should he marry a Christian Israeli Arab woman?

Is it sufficient to tell his fiancée of a fault or must he tell her family too?

Can she marry a Muslim whose family is Catholic? Can the children be named after his kaafir people?

Taking out a loan in order to get married

Should she continue studying medicine or get married and study?

Should she marry a man who is religiously-committed but poor?

He wants to marry her but she does not wear niqaab. Should he go ahead and propose or should he look for someone else?

What is permissible for a husband after doing the marriage contract with his wife and before announcing the consummation of the marriage?