mad

Q: What happens if a mad person commits suicide? Are they accountable and what happens if a mad person swears in regards to our Creator. Also whats the actual denifinition ofمجنون?

Q: 

1. Are you allowed to call a kafir mad behind his back?

2. I heard a person on a phone call calling someone who is a kaafir mad behind his back. Should I do nahi anil munkar?

Q: Are the utterances of irtidad by an bipolar manic person considered? Will fasakh when in the state of mania take place of he's nikah? What happens when the Mania is induced to not being diagnosed in time, and no utterence of talaaq was mentioned, and yet the wife was removed from the marital home without the husband's permission, only for the husband to be told (not in writing) that his nikkah is over? Does the nikkah stand? What are the husband's rights?

Q: Are the utterances of irtidad by an insane person considered. Will fasakh take place of his nikaah? What happens when the insanity is self induced. Meaning he became insane due to using drug substances. Will his utterances be considered?