Barnabas
Barnabas appears in the UPDV epistles as a known reference-point in the apostolic circle: a co-traveler of Paul, a fellow holder of apostolic rights, a participant in the Jerusalem fellowship, and — in one notable instance — a companion drawn after Cephas into shared dissembling at Antioch. The apostolic narrative records a fuller biography, but within the UPDV's epistolary witness Barnabas is consistently named alongside Paul and his coworkers, his name functioning both as a personal identifier and as a locator for others in the circle.
Co-Apostle With Paul
Paul's defense of his apostolic rights in 1 Corinthians 9 names Barnabas as the second exception to the practice of the rest of the apostles: "Or only I and Barnabas, do we not have a right to forbear working?" (1 Cor 9:6). The pairing is pointed. Barnabas stands with Paul over against "the rest of the apostles," and the right at issue — to be maintained rather than to work with one's own hands — is claimed for the two of them jointly, but is in context a right foregone. Barnabas is exhibited here as Paul's coworker in the unusual practice of manual labor alongside ministry, and as a co-equal holder of the apostolic prerogative of maintenance.
The Jerusalem Journey
Galatians 2 places Barnabas at Paul's side on the journey that opens the chapter: "Then after the space of fourteen years I went up again to Jerusalem with Barnabas, taking Titus also with me" (Gal 2:1). Barnabas is named first among the companions, with Titus added as a third figure taken along.
The closure of that Jerusalem episode again names him. When the pillars at Jerusalem perceived the grace given to Paul, "James and Cephas and John, they who were reputed to be pillars, gave to me and Barnabas the right hands of fellowship, that we should go to the Gentiles, and they to the circumcision" (Gal 2:9). The handshake is given to the pair together; the Gentile commission is jointly entrusted to Paul and Barnabas as a single delegation, set in distinction from the circumcision mission of James, Cephas, and John.
Carried Away At Antioch
The same Galatians narrative records a darker moment. After Cephas withdrew from table-fellowship with Gentile believers at Antioch, the rest of the Jews followed his withdrawal, "insomuch that even Barnabas was carried away with their hypocrisy" (Gal 2:13). The "even" marks Barnabas as a notable case against expectation — the figure one would not have expected to follow Cephas's lead. The action predicated of him is passive: he "was carried away." He is exhibited as a companion drawn after Cephas into the collective dissembling, named because his participation is unexpected enough to deserve notice.
A Recognized Reference-Point
By the time of the Colossian greeting-list, Barnabas's name carries enough weight to anchor someone else's identity. Paul writes: "Aristarchus my fellow-prisoner greets you⁺, and Mark, the cousin of Barnabas (concerning whom you⁺ received commandments; if he comes to you⁺, receive him)" (Col 4:10). Mark is placed in the apostolic circle by way of his kin-relation to Barnabas; the name "Barnabas" functions as the known reference-point through which the lesser-known Mark is located for the Colossian readers. The casual deployment of the name — uninterpreted, unglossed — assumes Barnabas as a recognized figure whose family relations were a usable form of introduction.
A Composite Portrait
Across these four epistolary moments Barnabas is consistently a paired figure. He is paired with Paul in the right of the apostles (1 Cor 9:6), paired with Paul in the journey to Jerusalem (Gal 2:1) and in the receipt of the right hand of fellowship (Gal 2:9), paired with Cephas and the other Jews in the lapse at Antioch (Gal 2:13), and paired with Mark by family relation in the Colossian greetings (Col 4:10). The epistolary witness shows him as a coworker whose presence with Paul is steady enough to name without explanation, whose fall under social pressure was striking enough to record, and whose recognition among the churches was strong enough to introduce a relative by reference to him.