Question: I am living in a house where a man resides with me. He shaves his beard from time to time, lies, and blasphemes. To sum up, he is suffering some signs of hypocrisy, may Allaah protect us! It happened that he blasphemed by insulting religion seven or eight times in ten minutes. Is it permissible to greet him with the salutation of Islaam while I hate him? Should I greet him back when he greets me? Please, tell the legal decision?
Answer: According to the legal texts of the Qur’aan and Sunnah, and the consensus of opinions, blasphemy – Allaah forbid – is an act of open disbelief. Allaah says… read more here.