Verses with the word demetrius in the New Testament (3 verses):

Acts 19:24
For a certain man named Demetrius, a silversmith, which made silver shrines for Diana, brought no small gain unto the craftsmen;

Acts 19:38
Wherefore if Demetrius, and the craftsmen which are with him, have a matter against any man, the law is open, and there are deputies: let them implead one another.

3 John 1:12
Demetrius hath good report of all men, and of the truth itself: yea, and we also bear record; and ye know that our record is true.