Romans 16:23
Gaius, who is host to me and to the whole church, greets you. Erastus, the city treasurer, and our brother Quartus, greet you.
Acts 19:22
And having sent into Macedonia two of his helpers, Timothy and Erastus, he himself stayed in Asia for a while.
1 Corinthians 1:14
I thank God that I baptized none of you except Crispus and Gaius,
2 Timothy 4:20
Erastus remained at Corinth, and I left Trophimus, who was ill, at Miletus.
3 John 1:1-6
The elder to the beloved Gaius, whom I love in truth.
Acts 19:29
So the city was filled with the confusion, and they rushed together into the theater, dragging with them Gaius and Aristarchus, Macedonians who were Paul's companions in travel.
Acts 20:4
Sopater the Berean, son of Pyrrhus, accompanied him; and of the Thessalonians, Aristarchus and Secundus; and Gaius of Derbe, and Timothy; and the Asians, Tychicus and Trophimus.