Romans 16:23
Gaius, my host, and the host of the church, salutes you. Erastus, the treasurer of the city, salutes you, and so does brother Quartus.
Acts 19:22
So he sent two of his assistants, Timothy and Erastus, into Macedonia, while he himself kept back for a time on his way into Asia.
1 Corinthians 1:14
I am thankful to God that I baptized none of you except Crispus and Gaius,
2 Timothy 4:20
Erastus remained at Corinth; Trophimus I left behind me ill at Miletus.
3 John 1:1-6
The Elder to the beloved Gaius, whom I love in the truth.
Acts 19:29
The city was filled with commotion. They rushed like one man into the theater, dragging with them Gaius and Aristarchus, Macedonians, Paul's companions in travel.
Acts 20:4
There accompanied him as far as Asia, Sopater of Berea, the son of Pyrrhus; and of the Thessalonians, Aristarchus and Secundus; and Gaius of Derbe, and Timothy; and the Asians, Tychicus and Trophimus.