What should I do about my friend who committed adultery, and should I inform my wife's sister of what her husband has done, and should I differentiate between the two sisters?
Source: FtawySummary from Ftawy's records · added here Sep 2, 2026
If a man's adultery is proven, then advising him is an act of kindness, for adultery is a grave sin. Continue to advise him and instill in him fear of Allah. If he repents, then praise be to Allah. Otherwise, threaten to expose his affair and report the matter to someone who can restrain him. Abandon him if you hope it will benefit him. Refer to No. 46153. To know the ruling on informing his wife of his adultery, refer to Fatwa No. 79687.
Summary from Ftawy's records · added here
Reviewed by El Fatwa's sharia committee.
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