Them that sin (tou amartanonta). The elders who continue to sin (present active participle). In the sight of all (enwpion pantwn). "In the eye of (o en opi wn, the one who is in the eye of, then combined = enwpion) all" the elders (or even of the church). See next verse 2 Corinthians 21 and Galatians 1:20 . Public rebuke when a clear case, not promiscuous gossip. May be in fear (pobon ecwsin). Present active subjunctive with ina (final clause), "may keep on having fear" (of exposure). Possibly, "the rest of the elders."