Romans 16:23
My host, Gaius, the host of the whole church, wishes to be remembered to you. Erastus, the city-treasurer, and our brother Quartus wish to be remembered to you.
Acts 19:22
He sent two of his assistants, Timothy and Erastus, to Macedonia, while he stayed on for a while in Asia.
1 Corinthians 1:14
I am thankful that I never baptized any of you except Crispus and Gaius,
2 Timothy 4:20
Erastus stayed in Corinth. I left Trophimus sick at Miletus.
3 John 1:1-6
The Elder to my dear friend Gaius, whom I truly love.
Acts 19:29
So the commotion spread all over the city, and by a common impulse the people rushed to the theater, dragging with them two Macedonians, Gaius and Aristarchus, Paul's traveling companions.
Acts 20:4
He was accompanied by Sopater of Berea, the son of Pyrrhus, Aristarchus and Secundus, from Thessalonica, Gaius of Derbe, Timothy, and Tychicus and Trophimus, from Asia.