Paul's co-worker.
Acts 19:22And having sent into Macedonia two of them that ministered unto him, Timothy and Erastus; he himself stayed in Asia for a while.
He is believed to have been the city treasurer of Corinth.
Rom 16:23Gaius mine host, and of the whole church, saluteth you. Erastus the chamberlain of the city saluteth you, and Quartus a brother.
2 Tim 4:20Erastus abode at Corinth: but Trophimus have I left at Miletum sick.