Romans 16:23
Gaius my host, and the host of the whole church, saluteth you. Erastus the treasurer of the city saluteth you, and Quartus, the brother.
Acts 19:22
And having sent into Macedonia two of those who ministered to him, Timothy and Erastus, he himself stayed in Asia for a season.
1 Corinthians 1:14
I thank God that I baptized none of you, but Crispus and Gaius;
2 Timothy 4:20
Erastus remained at Corinth, but Trophimus I left at Miletus sick.
3 John 1:1-6
The elder to Gaius the beloved, whom I love in truth.
Acts 19:29
And the city was filled with confusion; and they rushed with one accord into the theatre, having seized Gaius and Aristarchus, men of Macedonia, Pauls companions in travel.
Acts 20:4
And there accompanied him as far as Asia, Sopater, son of Pyrrhus, a Beroean; and of the Thessalonians, Aristarchus and Secundus, and Gaius of Derbe, and Timothy; and of Asia, Tychicus and Trophimus.