Demetrius

Smith’s Bible Dictionary · William Smith, F. N. Peloubet, M. A. Peloubet

(belonging to Ceres).

A maker of silver shrines of Artemis at Ephesus. (Acts 19:24) (about A.D. 52). These were small models of the great temple of the Ephesian Artemis, with her statue, which it was customary to carry on journeys, and place on houses as charms.
A disciple, (3 John 1:12) mentioned with commendation (about A.D. 90). Possibly the first Demetrius,converted; but this is very doubtful.

In other dictionaries

William Smith; revised by F. N. Peloubet and M. A. Peloubet; CrossWire SWORD module Smith 1.3

Bible Strong digital edition from CrossWire module 1.3, based on the 1884 Peloubet revision with later digital enrichments preserved