Prince, a Greek rhetorician, in whose “school” at Ephesus Paul disputed daily for the space of two years with those who came to him (Acts 19:9). Some have supposed that he was a Jew, and that his “school” was a private synagogue.
Tyrannus
2 verses
Acts
Acts 19:9
But when divers were hardened, and believed not, but spake evil of that way before the multitude, he departed from them, and separated the disciples, disputing daily in the school of one Tyrannus.
Acts 19:10
And this continued by the space of two years; so that all they which dwelt in Asia heard the word of the Lord Jesus, both Jews and Greeks.
From Easton's Bible Dictionary
Matthew George Easton, 1897
From Smith's Bible Dictionary
William Smith, 1884
(sovereign), the name of a man in whose school or place of audience Paul taught the gospel for two years, during his sojourn at Ephesus. See (Acts 19:9) (A.D. 52,53.) The presumption is that Tyrannus himself was a Greek, and a public teacher of philosophy or rhetoric.