presbeuo describes acting as a representative, whether addressing others for Christ or speaking while in chains.

The two verses show representative action: in 2 Corinthians 5:20 it is joined to an appeal on behalf of Christ for reconciliation to God, and in Ephesians 6:20 it is associated with speaking boldly while in chains.

1. Acting as a representative · dominant

   The present active indicative forms describe ongoing representative action in both occurrences. In 2 Corinthians 5:20, the plural form stands with an appeal on behalf of Christ, and the APB renders the clause "we are ambassadors for Christ" before the appeal to be reconciled to God; in Ephesians 6:20, the singular form is linked with bold speech while in chains, where the APB renders "I am an ambassador in chains."

   2 Corinthians 5:20Ephesians 6:20

In the Anselm Project Bible: The APB presents both clauses with "ambassador" language, once in an appeal for reconciliation and once in connection with chains and bold speech. This rendering is treated as confirmation of each verse's clause rather than a precise lexical equivalence.