Romans 16:23
Gaius my entertainer, and the entertainer of all the church, salutes you. Erastus the treasurer of the city and Quartus the brother salute you.
Acts 19:22
And sending two that served him into Macedonia, Timothy and Erastus, he continued a time in Asia.
1 Corinthians 1:14
I thank God I baptized none of you, except Crispus and Gaius;
2 Timothy 4:20
Erastus remained at Corinth, and Trophimus I left sick at Miletus.
3 John 1:1-6
THE elder to the beloved Gaius, whom I love in truth.
Acts 19:29
And the whole city was full of confusion; and they rushed with one accord to the theatre, taking Gaius and Aristarchus, Macedonians, fellow travellers of Paul.
Acts 20:4
And there followed him to Asia, Sopater the son of Pyrrhus of Berea, and of those of Thessalonica, Aristarchus and Secundus, and Gaius of Derbe, and Timothy, and those of Asia, Tychicus and Trophimus;