最終更新: 2026-06-23
「インデックスファンドへの投資」は罪ですか？
簡単な答え
いいえ、キリスト教では「インデックスファンドへの投資」は罪ではないとされています。
IsItASin · 最終更新: 2026-06-23
いいえ、キリスト教では「インデックスファンドへの投資」は罪ではないとされています。 1 Timothy 5:8 — 'If anyone does not provide for his relatives, and especially for members of his household, he has denied the faith and is worse than an unbeliever.'
キリスト教が「インデックスファンドへの投資」について教えること
Christian Denominations: How They Differ on Investing in Index Funds
Catholic Church
Prudent provision and diversified investment are virtuous stewardship; sin enters through greed, anxiety, or funding gravely immoral industries knowingly.
Catechism of the Catholic Church
Protestant Churches
Protestants widely commend index investing as wise stewardship of family resources; the warnings concern idolatry of wealth and neglect of generosity.
Holy Bible (Protestant canon)
Eastern Orthodox
Orthodox teaching blesses provision for one's household while warning against making wealth the security of the heart.
Orthodox Church Tradition
ESV Study Bible
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キリスト教が「インデックスファンドへの投資」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 →
Christianity's default position on investing is surprisingly positive. Jesus' parable of the talents (Matthew 25:14-30) actually condemns the servant who buried the money instead of investing it — the master expected a return and called the non-investor 'wicked and slothful.' Add Proverbs' praise of the ant who stores provisions (6:6-8), Paul's charge that a person who fails to provide for his household has 'denied the faith' (1 Timothy 5:8), and the picture is clear: prudent accumulation for real responsibilities is a Christian duty, not a compromise. Index funds fit this picture well because they are the diversified, low-churn, humble version of investing — Ecclesiastes 11:2's advice to divide your portion seven or eight ways is essentially an index fund pitch. The tradition's warnings aim elsewhere: 'where your treasure is, there your heart will be also' (Matthew 6:21), the impossibility of serving God and mammon (6:24), and the rich fool who stored wealth but was 'not rich toward God' (Luke 12:21).
聖書参考文献
- 1 Timothy 5:8 — 'If anyone does not provide for his relatives, and especially for members of his household, he has denied the faith and is worse than an unbeliever.'
- Proverbs 6:6-8 — 'Go to the ant, O sluggard... it has no guide, overseer, or ruler, yet it prepares its bread in summer.'
- Matthew 25:27 — 'You ought to have invested my money with the bankers, and at my coming I should have received what was my own with interest.'
- Matthew 6:21 — 'For where your treasure is, there your heart will be also.'
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。
- Automate regular investing — steady provision beats speculation (Proverbs 21:5).
- Give first: set a fixed percentage for charity before the market moves your mood.
- Christian: Hold wealth loosely — 'where your treasure is, there your heart will be also' (Matthew 6:21); let generosity prove the looseness.
- All: Never invest money you cannot leave alone — anxiety-driven decisions damage both returns and souls.
NIV Life Application Study Bible, 3rd Edition
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Apply Scripture to Your Life →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。
Is investing in the stock market a sin?
No — all three traditions treat productive investment as lawful and even commendable; the sin risks are greed, gambling-style speculation, and funding harmful industries knowingly.
No — all three traditions treat productive investment as lawful and even commendable; the sin risks are greed, gambling-style speculation, and funding harmful industries knowingly. Christianity calls it stewardship.
Do I need to avoid companies that do wrong?
Christianity has no mandatory screen but many choose values-based funds.
Christianity has no mandatory screen but many choose values-based funds. Imperfect options do not make investing wrong.
Is saving for retirement selfish?
Traditions answer no — provision for family and old age is a duty so one does not become a burden; selfishness would be hoarding while ignoring present obligations of generosity.
Traditions answer no — provision for family and old age is a duty so one does not become a burden; selfishness would be hoarding while ignoring present obligations of generosity. Christianity cites 1 Timothy 5:8.
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