Barbarian
In the UPDV the word barbarian surfaces three times, each in a Pauline letter. Across those three usages it is treated less as an ethnic slur than as a paired-population label: it is defined by the breakdown of intelligible speech, set alongside the Greeks as a complementary half of the apostolic mission field, and then named among the population-divisions that no longer carry weight inside the Christ-filled new humanity. A reader of the UPDV who follows the term across these passages sees it move from a description of a relational gap to a relativized social marker.
A Linguistic, Reciprocal Label
Paul's most explicit definition of the term comes from his discussion of speech in the assembly: "If then I don't know the meaning of the voice, I will be to him who speaks a barbarian, and he who speaks will be a barbarian to me" (1 Co 14:11). The category is built from intelligibility rather than from ancestry, and it is mutual — both speaker and hearer end up wearing the label as soon as the voice falls outside the hearer's understanding. Within this verse the barbarian status is a reciprocal name produced by the gap between meaning and voice.
Greeks and Barbarians as a Paired Mission Field
In the opening of his Roman letter, Paul places the term inside a pair of pairs as he describes the scope of his obligation: "I am debtor both to Greeks and to Barbarians, both to the wise and to the foolish" (Rom 1:14). Greeks and Barbarians form the first pair, wise and foolish the second; together they bracket the cultural spectrum the apostle owes himself to. The non-Greek peoples are not held at arm's length but are placed in parallel with the Greeks, alongside their cultural opposites, inside one undivided debt.
Relativized in the New Humanity
When Paul lists the population-divisions that no longer organize the in-Christ community, the term appears once more: "where there can't be Greek and Jew, circumcision and uncircumcision, barbarian, Scythian, slave, free; but Christ is all things, and in all" (Col 3:11). Here barbarian stands alongside Scythian, the Greek/Jew pairing, and the slave/free pairing, all governed by a single can't-be. The replacing summary — "Christ is all things, and in all" — does the work formerly done by those category lines, so the barbarian label, like the others on the list, is shown to lose its sorting power inside the new-humanity sphere.
The Pattern Across the Three Passages
Read together, the three Pauline texts form a small movement. The barbarian is first defined by intelligible speech (1 Co 14:11), then named as one half of a paired mission field whose other half is the Greeks (Rom 1:14), and finally listed among the labels that the in-Christ summary "Christ is all things, and in all" replaces (Col 3:11). The UPDV preserves the term verbatim in every case rather than smoothing it into a synonym, which lets the reader watch the same word do three different jobs in three different settings. Readers tracing related vocabulary may also consult Strangers, the umbrella cross-referenced from this entry.