[Ărĭstär'chus] - the best ruler. A Macedonian of Thessalonica and one of Paul’s travel-companions. This convert from Judaism is spoken of as Paul’s “fellow-prisoner,” implying imprisonment for the Gospel’s sake

Acts 19:29: – ²⁹ Soon the whole city was in an uproar. The people seized Gaius and Aristarchus, Paul’s traveling companions from Macedonia, and all of them rushed into the theater together.

Acts 20:4: – ⁴ He was accompanied by Sopater son of Pyrrhus from Berea, Aristarchus and Secundus from Thessalonica, Gaius from Derbe, Timothy also, and Tychicus and Trophimus from the province of Asia.

Acts 27:2: – ² We boarded a ship from Adramyttium about to sail for ports along the coast of the province of Asia, and we put out to sea. Aristarchus, a Macedonian from Thessalonica, was with us.

Col. 4:10: – ¹⁰ My fellow prisoner Aristarchus sends you his greetings, as does Mark, the cousin of Barnabas. (You have received instructions about him; if he comes to you, welcome him.)

Philem. 1:24: – ²⁴ And so do Mark, Aristarchus, Demas and Luke, my fellow workers.