The Biblical Basis for Evangelism: A Review of the Great Commission with Special Emphasis on the Active Greek Verbs that Indicate a Speaking of the Gospel Message

Abstract

David Witte’s essay offers a comprehensive exegetical study of the biblical foundation for evangelism, focusing on the active Greek verbs used in Scripture to describe the proclamation of the Gospel. Beginning with the Great Commission in Matthew 28, Witte surveys dozens of New Testament passages, analyzing verbs such as euangelizō (to evangelize), kerussō (to preach), and martureō (to witness), among others. He categorizes their usage, grammatical forms, and theological implications, demonstrating that evangelism is a divinely mandated activity involving both public proclamation and personal witness. Witte also addresses the role of good works, affirming they are not means of grace but may support Gospel outreach. The essay concludes with a definition of evangelism endorsed by the WELS Commission: the sharing of Law and Gospel to comfort sin-sick souls. Witte’s work affirms evangelism as a Spirit-driven, Scripture-rooted mission for all believers.

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