Smith’s Bible Dictionary

Gaius

or Cai’us (lord)--

A Macedonian who accompanied Paul in his travels, and whose life was in danger from the mob at Ephesus. (Acts 19:29) (A.D. 54.)

Of Derbe. He went with Paul from Corinth in his last journey to Jerusalem. (Acts 20:4) (A.D. 54.)

Of Corinth, whom Paul baptized and who was his host in his second journey in that city. (1 Corinthians 1:14; Romans 16:23) (These are supposed by some to be only one person.)

John’s third epistle is addressed to Christian of this name. We may possibly identify him with No. 2.

Smith’s Bible Dictionary, William Smith (1863). Public domain, from the CrossWire SWORD module.