{Them that sin} (	ous hamartanontas). The elders who
continue to sin (present active participle). {In the sight of
all} (en(9370)ion pant(936e)). "In the eye of (ho en opi (936e), the one
who is in the eye of, then combined = en(9370)ion) all" the elders
(or even of the church). See next verse  21  and  Ga 1:20 .
Public rebuke when a clear case, not promiscuous gossip. {May be
in fear} (phobon ech(9373)in). Present active subjunctive with
hina (final clause), "may keep on having fear" (of exposure).
Possibly, "the rest of the elders."