Luke
Acts 20:5ESV·traditional attribution

These went on ahead and were waiting for us at Troas,

Matthew Henry Presbyterian @wholebiblehenry

These travels of Paul which are thus briefly related, if all in them had been recorded that was memorable and worthy to be written in letters of gold, the world would not contain the books that would have been written; and therefore we have only some general hints of occurrences, which therefore ought to be the more precious. Here is, I. Paul's departure from Ephesus.

Commenting on Acts 20:1-6

John Gill Reformed Baptist @doctorgill

These going before,.... The apostle into Asia, all but Sopater, who accompanied him: tarried for us at Troas; a city in Asia Minor; see Act 16:8 whither they went before hand a nearer way, to provide for the apostle, and where they waited for him, and for Sopater, and for Luke, the writer of this history, who appears from hence to be in company with...

Albert Barnes Presbyterian @notesbybarnes

Verse 5. These going before. Going before Paul and Luke. Dr. Doddridge supposes that only Tychicus and Trophimus went before the others. Perhaps the Greek most naturally demands this interpretation. Tarried for us. The word "us" here shows that Luke had again joined Paul as his companion. In , it appears that Luke was in Philippi, in the house of Lydia.