The following outline is adapted from Alan Stringfellow’s Through the Bible in One Year: A 52-Lesson Introduction to the 66 Books of the Bible (Lesson 50: 3 John). His insights offer a clear and practical framework for understanding this brief yet powerful letter. What follows is a streamlined version of his key observations, organized for simple study and effective teaching.  

1. introduction:

This third epistle of John deals with personalities — three men. These three teach us some basic truths. 

    2. the central message

    “Dear friend, I pray that you may enjoy good health and that all may go well with you, even as your soul is getting along well.” (3 John 2)  

    3. The Structure of the Book

    SECTION 1 - GAIUS — Walking In Truth — 3 John 1–8 
    SECTION 2 - DIOTREPHES — Loves Pre-eminence — 3 John 9–11 
    SECTION 3 - DEMETRIUS — Good Report of All Men — 3 John 12–14 

    Section 1 – Gaius — Walking In Truth — 3 John 1–8 

      • John refers to Gaius as “dear friend” four times, showing deep affection and respect.
      • Gaius brought John great joy because he lived out the truth, faithfully caring for traveling ministers who were “working together for the truth” (v. 8).
      • The “truth” at work in Gaius was the life of Jesus Christ being expressed through him in genuine love, hospitality, and faithfulness. 

    Section 2 – Diotrephes — Loves Pre-eminence — 3 John 9–11 

      • Diotrephes is presented as a man who wanted to be first, seeking personal prominence rather than serving Christ.
      • John lists his specific actions:
    a. He refused to welcome John’s authority — v. 9
    b. He made malicious accusations — v. 10
    c. He refused hospitality to the missionaries — v. 10
    d. He expelled anyone who helped them — v. 10
      • Diotrephes illustrates how pride and self-importance can actively hinder the work of the gospel. 

    Section 3 – Demetrius — Good Report of All Men — 3 John 12–14  

    • Although only one verse is written about him, Demetrius provides a powerful lesson in Christian character:
    a. He had an excellent reputation: “Everyone speaks highly of Demetrius” (v. 12).
    b. His name suggests he likely came from a pagan background, yet his life was transformed.
    c. He spoke well of others and lived in a manner consistent with “the truth itself” (v. 12).
    d. His faithful life adorned the gospel, and other believers testified of his integrity.
    • Demetrius stands as a model of consistent, Christ-honoring conduct.

    4. Conclusion: 

    In this short letter, we meet three kinds of believers:

      • Gaius — faithfully supporting gospel work
      • Diotrephes — hindering ministry through pride and control
      • Demetrius — living out a testimony that beautifies the gospel

    Each of us chooses which example we will follow. May we be like Gaius and Demetrius — helping, encouraging, and adorning the gospel of Jesus Christ. 

    Stringfellow, Alan B. Through the Bible in One Year: A 52-Lesson Introduction to the 66 Books of the Bible (Bible Study Guide for Small Group or Individual Use) (Lesson 50: First, Second & Third John). Kindle Edition.  

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