Is it permissible to pray behind a man who works in a usurious bank?
Working in a usurious bank is forbidden (haram) and its perpetrator is disobedient to Allah. However, praying behind him is valid because he is a Muslim, with the preference being to pray behind people of righteousness and piety if that is feasible.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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