Romans 16:23
My host Gaius, who extends his hospitality to the whole Church, sends you his greeting; and Erastus, the City Treasurer, and Quartus, our Brother, add theirs.
Acts 19:22
So he sent to Macedonia two of his helpers, Timothy and Erastus, while he himself stayed for some time longer in Roman Asia.
1 Corinthians 1:14
I am thankful that I did not baptize any of you except Crispus and Gaius,
2 Timothy 4:20
Erastus remained at Corinth, and I left Thophimus ill at Miletus.
3 John 1:1-6
To his dear friend Gaius, whom he sincerely loves, From the Officer of the Church.
Acts 19:29
The commotion spread through the whole city, and the people rushed together into the amphitheater, dragging with them Gaius and Aristarchus, two Macedonians who were Paul's traveling companions.
Acts 20:4
He was accompanied by Sopater the son of Pyrrhus, of Beroea, Aristarchus and Secundus from Thessalonica, Gaius of Derbe, and Timothy, as well as by Tychicus and Trophimus of Roman Asia.