Romans 16:23
Gaius, my host and host of the whole assembly, greets you. Erastus, the treasurer of the city, greets you, as does Quartus, the brother.
Acts 19:22
Having sent into Macedonia two of those who served him, 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, but I left Trophimus at Miletus sick.
3 John 1:1-6
The elder to Gaius the beloved, whom I love in truth.
Acts 19:29
The whole city was filled with confusion, and they rushed with one accord into the theater, having seized Gaius and Aristarchus, men of Macedonia, Paul's companions in travel.
Acts 20:4
These accompanied him as far as Asia: Sopater of Beroea; Aristarchus and Secundus of the Thessalonians; Gaius of Derbe; Timothy; and Tychicus and Trophimus of Asia.