(23) Gaius.--Three persons of this name are mentioned, Gains of Corinth (1Corinthians 1:14), Gains, a Macedonian (Acts 19:29), and Gaius of Derbe in Lycaonia (Acts 20:4). The Gaius of the Epistle would probably be identical with the first of these. The name was a common one.

Mine host, and of the whole church.--St. Paul was now lodging in the house of Gaius, as on his previous visit, first in that of Aquila and then in that of Justus (Acts 18:2; Acts 18:7). It would seem that Gaius lent his house for the meetings of the Church, or it is possible that St. Paul may be alluding, with graceful hyperbole, to the hospitality which he was always ready to exercise.

Erastus.--It is not quite easy to identify this Erastus with the one mentioned in Acts 19:22, 2Timothy 4:20, who there appears as a travelling companion of the Apostle. The office of "treasurer" to an important city like Corinth would naturally, we should suppose, involve a fixed residence.

Chamberlain.--A better word would seem to be treasurer. The officer hi question had charge of the revenues of the city. The title appears upon inscriptions.

A brother.--Rather, the brother. No special predicate seems to be needed, and therefore St. Paul (or Tertius) simply describes him as the Christian of that name.

Verses 23, 24. - Gaius mine host, and of the whole Church, saluteth you. Probably the person mentioned in 1 Corinthians 1:14 as baptized by St. Paul himself at Corinth. There is no reason for identifying him with those of the same name mentioned in Acts 19:29; Acts 20:4; 3 John 1. Gaius was a common name. He appears to have been one who exercised extensive hospitality to Christians, which the apostle was enjoying at the time of writing. Erastus the chamberlain (rather, treasurer) of the city (not to be identified with the Erastus of Acts 19:22 and 2 Timothy 4:20), and Quartus the brother. The grace of our Lord Jesus Christ he with you all. Amen.

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.Gaius mine host,.... There was one Gaius a Macedonian, that was with the apostle at Ephesus, Acts 19:29; and another Gaius of Derbe, that accompanied him into Asia, Acts 20:4; whether either of these, as the latter seems more probable, was this person, is not certain. However, it seems very likely that it is the same Gaius the apostle baptized at Corinth, 1 Corinthians 1:14; and some have thought him to be the same that the Apostle John wrote his third epistle to, and indeed the characters of hospitality and generosity there given him well agree with this, who was not only the apostle's host that entertained him in a kind and liberal manner, but of all the saints:

and of the whole church, saluteth you; that is, of the church at Corinth, to whom he was kind and hospitable, even to as many as stood in need of his assistance; or of the church of Christ in general, being beneficent and liberal to all Christian strangers that came that way, lodged them at his house, and provided every thing proper and convenient for them. Dr. Lightfoot thinks that there was a public hospital or receptacle for strangers at Corinth, in imitation of the Jews, who had a place adjoining to their synagogues to entertain travellers in; and that Gaius was the chief officer and overseer of this house, who, discharging his trust well, is deservedly commended. That the Jews had places near their synagogues for such a purpose is, certain. It is said (b),

"why do they sanctify (or consecrate the day?) that travellers may do their duty, who eat, and drink, and sleep in the synagogue.''

The gloss on it is,

"not the synagogue itself, but the chambers which were near the synagogue, are called the synagogue, and from thence they heard the consecration.''

And elsewhere (c) it is said,

"in the synagogues they neither eat nor drink--but there is a place near the synagogue where travellers used to sleep and eat;''

and then follows what is said before. And Maimonides (d) observes,

"there is no sanctification (of the sabbath) but in the place where the meal is eaten; so a man may not sanctify in one house, and eat in another; but if he sanctifies in this, he must eat in this; but why do they sanctify in the synagogue? because of travellers who eat and drink there.''

Upon which his commentator remarks (e), that

"they do not eat in the synagogue at all, but they eat, , "in a house near the synagogue", where they sit at the time of hearing the sanctification.''

But whether there was such an house at Corinth near the place of public worship, or any where else for this purpose, is not certain; and to make Gains only an overseer over such an house, though a faithful one, greatly sinks his character; since one would conclude from hence, that his entertainment of the apostle, and other saints, was at his own expense.

Erastus the chamberlain of the city saluteth you; whom the apostle is said to leave at Corinth, 2 Timothy 4:20, and at another time to send along with Timotheus into Macedonia, if the same person is intended; for these do not seem so well to accord with his being in such an office, which must require attendance, and would not admit of going from place to place with the apostle, or of being sent by him. The city, of which he was chamberlain, was the city of Corinth, where the apostle and this Erastus were, when this epistle was wrote. The word translated "chamberlain", is often used for a steward; and here it signifies such an officer as had the care of the city chest or coffer, and distributed the public money; and seems to answer to the "quaestor urbanus", or city treasurer, among the Romans, whose business it was to receive the city accounts, and disburse at all occasions of public expenses; so that this was a place of honour and trust; hence it appears, that though not many, yet some rich and honourable were called by grace, and embraced the Gospel. His name signifies beloved, and is the same with David in Hebrew. What nation he was of is not certain, whether a Roman, a Greek, or Jew; one of this name is reckoned among the seventy disciples, and it said to be bishop of Paneas, or of the Philippians; See Gill on Luke 10:1.

Quartus a brother; not of Tertius, nor of Erastus, nor of the apostle according to the flesh, as some have thought, but a brother in a spiritual relation. This man, as appears from his name, was a Roman; probably had before lived at Rome, and therefore sends his salutations to the Christians there: he is mentioned among the seventy disciples, and said to be bishop of Berytus; See Gill on Luke 10:1.

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