Ask A Question About Islam And Muslims

18 Questions

Suggest to him to read some of sayings of Ahlul Bayt (AS) from Nahjul Balagha or Al-Kaafi or other authentic books.

Wassalam.

You should tolerate the mistreatment if any and try to avoid any situation or act which instigates unpleasant relationship with your in laws.

Try to explain to your parents that you and your fiancée are in agreement and his family mistreatment should not ruin your engagement.

Wassalam.

No unless you have concrete evidence that he is committing Haraam which can destroy the life of the girl, then you can give them the evidence and leave them to verify and decide.

Wassalam.

Bismihi ta'ala

Yes, if it is crucial information and would affect the success of the marriage, and you are asked for your input, you must be honest. 

This situation is among the cases where gheebah (backbiting) is permissible, or maybe could even be obligatory. 
Of course, you must be careful that it does not somehow backlash onto you as well. 

And Allah knows best