Proamartano describes people identified as having sinned before a later visit or warning.

In both occurrences, the term identifies people whose sin had already occurred before a subsequent coming, warning, or response.

1. Prior sin before a later response · dominant

   Both forms are perfect active participles referring to people whose sin is already in view before a later action. In 2 Corinthians 12:21 the APB renders those people as having “sinned beforehand” and not repented; in 2 Corinthians 13:2 it addresses those same kinds of people in advance of a possible return in which they will not be spared.

   2 Corinthians 12:212 Corinthians 13:2

In the Anselm Project Bible: The APB presents the term with “sinned beforehand” in both verses. This repeated wording confirms the verses' temporal framing without isolating every aspect of the Greek participle.