³ tn The word “here” is not in the Greek text but is implied.

² tn BDAG 821 s.v. πιστός 1.b offers the translation “act loyally” for this context, a usage which is not common but does fit well here. Since the author is going to ask Gaius for additional help for these missionaries in the following verse, he begins here by commending Gaius for all that he has already done in this regard.

² sn Which church does the author refer to here? The church where Gaius is, the church where the author is, a different local church where the “brothers” are, or the ‘universal’ church, the church at large? Since the suggestion in 3 John 3 is that the “brothers” have come and testified in the author’s church about what Gaius has done for them, it seems most likely that the “church” mentioned here is also the author’s church, where he is currently located. Other possibilities cannot be ruled out, but seem unnecessarily complicated.

³ tn The word ἐθνικός (eqniko") occurs only 4 times in the NT (the other three are in Matt 5:47; 6:7; and 18:17). It is virtually synonymous here with the far more common ἔθνος (eqno", used some 162 times in the NT). Both refer to the Gentiles (that is, pagans).

³ sn Since the issue here is support for the traveling missionaries, and there is no indication that the author would want to forbid receiving support from Gentile converts to Christianity, the word pagans must refer to Gentile unbelievers, i.e., pagans. The traveling missionaries sent out to combat the false teaching of the secessionist opponents have been accepting nothing by way of support from non-Christians.

¹ sn Clearly the author does not refer to himself alone by the use of the first person plural pronoun we here, since the issue is support for the traveling missionaries. It stands in contrast to the pagans mentioned in the previous verse, and is thus to be understood as inclusive of all true Christians: the author, Gaius, and all true Christians. All true Christians ought to support the endeavors of these traveling missionaries in their efforts to counteract the heretical teaching of the opponents.

⁴ tn The prepositional phrase ἐν ἀληθείᾳ (en alhqeia) in 3 John 1 is similar to 2 John 1, although it is not qualified here as it is there (see 2 John 1). This is not merely the equivalent of an adverb (“truly”), but is a theological statement affirming the orthodoxy of Gaius, to whom the letter is addressed. “Truth” is the author’s way of alluding to theological orthodoxy in the face of the challenge by the opponents (see 1 John 3:19).

¹ sn Living according to the truth (Grk “walking in [the] truth”). The use of the Greek verb περιπατέω (peripatew) to refer to conduct or lifestyle is common in the NT (see 1 John 1:6, 2 John 4, as well as numerous times in Paul. Here the phrase refers to conduct that results when a person has “truth” residing within, and possibly alludes to the indwelling Spirit of Truth (see 2 John 2). In the specific context of 3 John the phrase refers to true Christians who are holding fast to an apostolic Christology in the face of the secessionist opponents’ challenge to orthodoxy.

¹ sn The church mentioned here, which the author says he may visit (3 John 10) is not the same as the one mentioned in 3 John 6, to which the author apparently belongs (or of which he is in charge). But what is the relationship of this church in v. Kir+Heres+AND+book%3A64&tab=notes" ver="">9 to Gaius, to whom the letter is addressed? It is sometimes suggested that Gaius belongs to this church, but that seems unlikely, because the author uses a third-person pronoun to refer to the other members of the church (among them). If Gaius were one of these it would have been much more natural to use a second-person pronoun: “Diotrephes, who loves to be first among you.” Thus it seems probable that Gaius belongs to (or is in charge of) one local church while Diotrephes is in another, a church known to Gaius but to which he does not belong.

³ tn Since the verb ἐπιδέχομαι (epidecomai) can mean “receive into one’s presence” (BDAG 370 s.v. Kir+Heres+AND+book%3A64&tab=notes" ver="">1; it is used with this meaning in the next verse) it has been suggested that the author himself attempted a previous visit to Diotrephes’ church but was turned away. There is nothing in the context to suggest an unsuccessful prior visit by the author, however; in 3 John 9 he explicitly indicates a prior written communication which Diotrephes apparently ignored or suppressed. The verb ἐπιδέχομαι can also mean “accept” in the sense of “acknowledge someone’s authority” (BDAG 370 s.v. Kir+Heres+AND+book%3A64&tab=notes" ver="">2) and such a meaning better fits the context here: Diotrephes has not accepted but instead rejected the authority of the author to intervene in the situation of the traveling missionaries (perhaps because Diotrephes believed the author had no local jurisdiction in the matter).

³ sn Little reliable information is available concerning the identity of the person to whom 3 John is addressed. Because the name Gaius was very common in the Roman Empire, it is highly unlikely that the person named here is to be identified with any of the others of the same name associated with Paul (1 Cor 1:14, Rom 16:23 [these two references are probably to the same person]; Acts 19:29, Acts 20:4). A 4th century tradition recorded in the Apostolic Constitutions 7.46.9 (ca. a.d. 370) states that John the Apostle ordained Gaius as bishop of Pergamum, but this is questionable because of the relatively late date. The only certain information about this individual must be obtained from 3 John itself, and there is not a great deal there. It is obvious that this person is well known to the author, but it is not so certain whether they had met personally or not, because the report of Gaius’ conduct toward the brothers is received secondhand by the author (v. Kir+Heres+AND+book%3A64&tab=notes" ver="">3). Nor can it be determined with certainty whether Gaius belonged to the same local church as Diotrephes (v. Kir+Heres+AND+book%3A64&tab=notes" ver="">9), or was himself the leader of another local congregation. It is clear that the author regarded him as orthodox (v. Kir+Heres+AND+book%3A64&tab=notes" ver="">3) and a valuable ally in the controversy with the secessionist opponents and their false Christology discussed at length in 1 John.

² tn The ἵνα (Jina) clause indicates the result of such support for the traveling missionaries: The Christian who helps to support them in their efforts thus becomes a coworker in cooperation with the truth. Although the dative τῇ ἀληθείᾳ (th alhqeia) is somewhat difficult to specify, it would appear (corresponding to the σύν- [sun-] prefix of the noun modified) to indicate a sense of cooperation with “the truth” which is at work through the missionaries. There is precedent in the Johannine literature for understanding “truth” as personified (John 8:32, “the truth will make you free”; possibly also 1 John 3:19). More explicitly, 1 John 4:6 identifies the Holy Spirit as “the Spirit of Truth,” a characterization repeated in 1 John 5:6. Thus it seems likely that the “truth” at work through the missionaries here is ultimately the Holy Spirit, who works through their efforts. The Christian who supports them thus becomes a coworker with the Spirit of God himself.

² sn Diotrephes appears to be an influential person (perhaps the leader) in a local church known to Gaius, but to which Gaius himself does not belong. The description of Diotrephes as one who loves to be first suggests he is arrogant, and his behavior displays this: He refuses to acknowledge the written communication mentioned by the author at the beginning of v. Kir+Heres+AND+book%3A64&tab=notes" ver="">9 (and thus did not recognize the author’s apostolic authority), and furthermore (v. Kir+Heres+AND+book%3A64&tab=notes" ver="">10) refuses to show any hospitality to the traveling missionaries (welcome the brothers) already mentioned by the author. It has been suggested that the description “loves to be first” only indicates that Diotrephes sought prominence or position in this church, and had not yet attained any real authority. But his actions here suggest otherwise: He is able to refuse or ignore the author’s previous written instructions (v. Kir+Heres+AND+book%3A64&tab=notes" ver="">9), and he is able to have other people put out of the church for showing hospitality to the traveling missionaries (v. Kir+Heres+AND+book%3A64&tab=notes" ver="">10).