of John’s letter is fellowship, “so that you also may have fellowship with us” (v. 3a). The Greek word translated “fellowship” in the NIV is koinonia, which means to have something in common. Koinonia may describe a shared labor (such as the fishing of James, John, and Simon, Luke 5:10) or the common enjoyment of some gift or experience (such as the grace of God, Phil. 1:7; the blessings of the gospel, 1 Cor. 9:23; or the Holy Spirit, 2 Cor. 13:14). This is the crux of John’s thought and the purpose
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