最終更新: 2026-07-05
「友人への利子の請求」はハラームですか？
簡単な答え
はい、イスラム教では「友人への利子の請求」はハラーム（禁止）とされています。
IsItASin · 最終更新: 2026-07-05
はい、イスラム教では「友人への利子の請求」はハラーム（禁止）とされています。 Quran 2:275 — 'Allah has permitted trade and has forbidden interest.'
イスラム教が「友人への利子の請求」について教えること
The Study Quran
For questions this important, going back to the source matters. The Study Quran — the definitive English translation with 1,500+ pages of commentary by leading scholars — provides the depth these questions deserve.
イスラム教が「友人への利子の請求」について教えること
詳細な回答（英語） — 以下の詳細な分析は英語で提供されています。 英語の完全版を読む →
Islam never unbanned riba. The Quran's ruling is categorical — 'Allah has permitted trade and has forbidden interest' (2:275) — and includes a declaration of war from Allah and His Messenger against those who persist (2:279), language the Quran uses nowhere else about commerce. The prohibition covers Muslim-to-Muslim and Muslim-to-anyone transactions alike, formal or friendly: charging a friend 5% on a personal loan is riba exactly as a bank rate is. The hadith extend liability to the scribe and witnesses (Muslim 1598) — the tradition is serious about not building riba's infrastructure. What Islam offers friends instead is the qard hasan, the 'goodly loan': lend the amount, expect the amount, and the Quran describes such lenders as lending to Allah Himself, 'who may multiply it for him many times over' (2:245) — the interest credited by God, not the borrower. Contemporary scholars add the practical wisdom that friendship-plus-debt corrodes relationships and that the Sunnah commends leniency: 'whoever relieves a believer's hardship, Allah will relieve his hardship on the Day of Resurrection.'
クルアーン参考文献
- Quran 2:275 — 'Allah has permitted trade and has forbidden interest.'
- Quran 2:245 — 'Who is it that would loan Allah a goodly loan (qard hasan) so He may multiply it for him many times over?'
- Sahih Muslim 1598 — The Messenger of Allah cursed the one who accepts riba, the one who pays it, the one who records it, and its two witnesses.
あなたがすべきこと
以下の詳細な分析は英語で提供されています。
- Write the terms down even between friends — clarity protects the friendship more than a handshake does.
- If a friend is in genuine need, prefer a gift, a free loan, or co-signed help over an interest arrangement.
- Muslim: Give the qard hasan — principal out, principal back; riba is forbidden at any rate, even among friends.
- All: If a loan has already strained a friendship, renegotiate forgiveness or repayment terms before you lose both the money and the friend.
Book of Repentance (Sahih Muslim)
The Prophet (peace be upon him) said Allah rejoices more when you return than a man who finds water in the desert. Islamic tradition holds that tawbah is always accepted for those who sincerely seek it.
Begin Your Tawbah — The Path Is Open →よくある質問
以下の詳細な分析は英語で提供されています。
Can I charge my friend interest on a business loan?
This is where traditions genuinely diverge.
This is where traditions genuinely diverge. Islam still forbids riba and requires partnership-based structures instead.
What if we both just think of it as a business deal?
Labeling helps morally — honesty about the nature of the arrangement matters — but it does not override the religious rules.
Labeling helps morally — honesty about the nature of the arrangement matters — but it does not override the religious rules. Islam's riba ban applies regardless of mutual consent.
My friend can't pay me back — what now?
All three traditions counsel release over pressure.
All three traditions counsel release over pressure. The Quran says giving the debt entirely as charity 'is better for you' (2:280).
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