81. adelphotés
Lexical Summary
adelphotés: Brotherhood, fellowship

Original Word: ἀδελφότης
Part of Speech: Noun, Feminine
Transliteration: adelphotés
Pronunciation: ah-del-fo-TAYS
Phonetic Spelling: (ad-el-fot'-ace)
KJV: brethren, brotherhood
NASB: brethren, brotherhood
Word Origin: [from G80 (ἀδελφός - brethren)]

1. (properly) the feeling of brotherliness
2. (commonly) brotherhood, i.e. the (Christian) fraternity

Strong's Exhaustive Concordance
brethren, brotherhood.

From adephos; brotherhood (properly, the feeling of brotherliness), i.e. The (Christian) fraternity -- brethren, brotherhood.

see GREEK adephos

NAS Exhaustive Concordance
Word Origin
from adelphos
Definition
brotherhood
NASB Translation
brethren (1), brotherhood (1).

Thayer's Greek Lexicon
STRONGS NT 81: ἀδελφότης

ἀδελφότης, (ητος, , brotherhood; the abstract for the concrete, a band of brothers, i. e. of Christians, Christian brethren: 1 Peter 2:17; 1 Peter 5:9. (1 Macc. 12:10, 17, the connection of allied nations; 4 Macc. 9:23; 10:3, the connection of brothers; Dio Chrysostom 2:137 (edited by Reiske); often in ecclesiastical writings.)

Topical Lexicon
Definition and Scope

The term ἀδελφότης designates the collective body of believers understood as a spiritual family united in Christ. It expresses both the objective reality of shared new-birth kinship and the ethical obligation that flows from it—loyal love, sacrificial care, and mutual honor among all who belong to Jesus.

Occurrences and Immediate Context

1 Peter employs the word twice, framing the epistle’s exhortations.
1 Peter 2:17: “Honor everyone. Love the brotherhood. Fear God. Honor the king.” Here the brotherhood sits between universal respect and civic duty, highlighting its distinctive place in the believer’s value system—higher than civil allegiance, yet beneath reverence for God.
1 Peter 5:9: “Resist him, standing firm in your faith and in the knowledge that your brotherhood throughout the world is undergoing the same kinds of suffering.” The global reach of the term lifts the readers’ eyes beyond local struggles, assuring them that they participate in a worldwide, suffering-tested fellowship.

Theological Significance

1. Covenant Identity: By the new birth (1 Peter 1:3,23) believers are “born again” into one family; the brotherhood is therefore not merely sociological but covenantal.
2. Christ-Centered Unity: The elder Brother, Jesus Christ, “is not ashamed to call them brothers” (Hebrews 2:11). Their shared relation to Him forms the basis for their relation to one another.
3. Eschatological Community: The brotherhood points forward to the perfected family gathering in the new creation (Revelation 21:3), motivating holiness and perseverance now.

Historical Background

In the first-century Roman world, voluntary associations and household loyalties were common. Christians, however, claimed a kinship that transcended ethnicity, status, and geography. This alternative social structure drew suspicion (cf. Tacitus, Annals 15.44) yet provided resilience under persecution, as evidenced in 1 Peter.

Ministry and Pastoral Application

• Mutual Care: Leaders are instructed to shepherd “the flock of God” (1 Peter 5:2), embodying the protective dimension of brotherhood.
• Hospitable Love: “Be hospitable to one another without complaining” (1 Peter 4:9) flows naturally from recognizing fellow believers as family guests.
• Shared Suffering: Awareness of a worldwide brotherhood strengthens resolve against spiritual opposition and discouragement.
• Ethical Distinctiveness: Loving the brotherhood is a public testimony that complements, not competes with, honoring civic authorities.

Related Concepts

Adelphoi (brothers), koinōnia (fellowship), sōma Christou (body of Christ), and oikos Theou (household of God) all overlap but each highlights a facet: sibling affection, shared participation, organic unity, and household order respectively.

Christological and Ecclesiological Implications

Because Christ’s atoning work creates the brotherhood, to love or despise it is to honor or affront Him. Local congregations are tangible expressions of this reality; therefore, church discipline, reconciliation, and communion are not optional practices but safeguards of familial integrity.

Practical Exhortations

1. Cultivate intentional relationships across cultural and generational lines within the congregation.
2. Intercede regularly for the persecuted church, mindful that their trials are family concerns.
3. Prioritize corporate worship, the family table where brotherhood is nourished by Word and sacrament.
4. Guard speech, remembering that slander wounds siblings for whom Christ died (1 Peter 2:1).

Conclusion

Ἀδελφότης calls the people of God to live as a Spirit-formed family—loving, honoring, suffering, and persevering together until the revelation of Jesus Christ.

Forms and Transliterations
αδελφοτητα αδελφότητα ἀδελφότητα αδελφοτητι αδελφότητι ἀδελφότητι adelphoteta adelphotēta adelphóteta adelphótēta adelphoteti adelphotēti adelphóteti adelphótēti
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
1 Peter 2:17 N-AFS
GRK: τιμήσατε τὴν ἀδελφότητα ἀγαπᾶτε τὸν
NAS: love the brotherhood, fear
KJV: [men]. Love the brotherhood. Fear
INT: show honor to the brotherhood love

1 Peter 5:9 N-DFS
GRK: κόσμῳ ὑμῶν ἀδελφότητι ἐπιτελεῖσθαι
NAS: are being accomplished by your brethren who are in the world.
KJV: in your brethren that are in
INT: world in your brotherhood are being accomplished

Strong's Greek 81
2 Occurrences


ἀδελφότητα — 1 Occ.
ἀδελφότητι — 1 Occ.

80
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