📖 Biblical Definition
Luke was a Gentile (Greek) physician ("Luke, the beloved physician, and Demas, greet you", Colossians 4:14), Paul’s traveling companion through much of the second and third missionary journeys, and the only New Testament writer who was not a Jew. He wrote the Gospel that bears his name and the Acts of the Apostles together — about a quarter of the New Testament. His "we" passages in Acts (16:10-17; 20:5-21:18; 27:1-28:16) mark his personal eyewitness participation. He was Paul’s most faithful companion in the end: "Only Luke is with me" (2 Timothy 4:11), the apostle’s last letter from a Roman prison facing martyrdom. The doctor stayed when others fled.
📜 Webster 1828 Definition
The beloved physician; Gentile companion of Paul; author of the third Gospel and of Acts.
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Almost certainly the only Gentile author in the New Testament. Joined Paul at Troas (Acts 16:10, the first “we” passage in Acts), accompanied him through Macedonia, and remained with him through the journey to Rome and the imprisonment (2 Tim 4:11: Only Luke is with me).
Wrote the Gospel that bears his name (~AD 60-62) and Acts of the Apostles (~AD 62-64) as a two-volume work for Theophilus — together about 27% of the New Testament by word count, more than Paul wrote.
📖 Key Scripture
Colossians 4:14 — "Luke, the beloved physician, and Demas, greet you."
2 Timothy 4:11 — "Only Luke is with me."
Philemon 1:24 — "Marcus, Aristarchus, Demas, Lucas, my fellowlabourers."
Luke 1:3 — "It seemed good to me also, having had perfect understanding of all things from the very first, to write unto thee in order, most excellent Theophilus."
⚠️ Modern Corruption
We forget that the New Testament's longest single work is by a Gentile doctor; the gospel was always for the nations, written by them for them.
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No major postmodern redefinition of this figure. The risk is simply that they fade from common Christian vocabulary, and the lessons their life teaches fade with them. Recover the figure to recover the lesson.
🔗 Greek & Hebrew Roots
His Greek name is a shortened form of a longer Latin one.
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Greek Loukas — short form of Latin Lucanus, ‘of Lucania’ (a region in southern Italy).
Note: Luke the beloved physician (Col 4:14) is the only piece of biographical detail Paul gives about him, but it is enough.
Usage
"Only Luke is with me — the line every pastor remembers."
"Two-volume Luke-Acts: the gospel and its long aftershock."
"The beloved physician was also the patient researcher."