Concept: Identify the Islamic legal term for a husband's unjustified long absence.Explanation:A long absence of a husband without valid reason is considered a form of harm to the wife.In Islamic family law, causing such harm is known as "Idrar."It gives the wife grounds to seek judicial separation or dissolution of marriage.The other options are unrelated: "Infaq" means spending, "Hubb" means love, and "it-Tihad" is not the term for this situation.Answer: D. Idrar