📖 Biblical Definition
An unbeliever is one who has not believed the gospel and remains in unbelief — Paul’s technical category for the unconverted. The label is not personal insult but covenant diagnosis. Scripture uses it for clear distinctions: the unbelieving spouse and the believer’s witness within marriage (1 Corinthians 7:12-16); the prohibition of yoking with unbelievers in covenant partnerships (2 Corinthians 6:14-18); the operation of prophecy and tongues for the conviction of unbelievers in the assembly (1 Corinthians 14:22-25). Christians must love unbelievers, witness to them, and pray for their conversion — but must not partner with them in marriage, business covenants that compromise conscience, or worship. The line matters precisely because the gospel saves across it.
📜 Webster 1828 Definition
One who has not believed the gospel.
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One who has not believed the gospel and remains in unbelief; Paul's distinct category from the 'brother' for purposes of marriage (1 Cor 7), partnership (2 Cor 6), and worship-context (1 Cor 14); a real category, not stigma.
📖 Key Scripture
2 Corinthians 6:14 — "Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness?"
1 Corinthians 7:14-15 — "For the unbelieving husband is sanctified by the wife... if the unbelieving depart, let him depart."
1 Corinthians 6:6 — "But brother goeth to law with brother, and that before the unbelievers."
⚠️ Modern Corruption
Avoided as too judgmental; Paul uses it directly without apology to make practical distinctions.
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Paul does not pejoratively call people unbelievers; he distinguishes categories so believers can navigate marriage, partnership, and worship rightly. The category is not insult — it is reality. Pretending all are believers leads to bad counsel and confused obedience.
🔗 Greek & Hebrew Roots
Greek apistos — without faith.
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['Greek', 'G571', 'apistos', 'unbelieving']
['Greek', 'G570', 'apistia', 'unbelief']
Usage
"Use the category honestly for practical decisions."
"Distinct from insult; just descriptive."