Them that sin; that is, that sin publicly and scandalously, so as others have taken notice of it.
Rebuke before all; rebuke not privately, by a ministerial correption, but by a public ecclesiastical correption before the whole church.
That others also may fear; that the salve may answer the sore, and the plaster be as broad as the wound; and that others may be afraid to do the like. This end of the punishment agreeth with that mentioned Deu_13:11.