16:23 Gaius, mine host. Paul baptized a Gaius at Corinth (1Co 1:14). The name occurs several times. He was noted for his hospitality.
Erastus the chamberlain. The city treasurer, hence a man of high position. The name occurs in Ac 19:22 2Ti 4:20.
16:23 The chamberlain of the city - Of Corinth.
16:21-24 The apostle adds affectionate remembrances from persons with him, known to the Roman Christians. It is a great comfort to see the holiness and usefulness of our kindred. Not many mighty, not many noble are called, but some are. It is lawful for believers to bear civil offices; and it were to be wished that all offices in Christian states, and in the church, were bestowed upon prudent and steady Christians.