The theme of restoration initiated in the parable finds further emphasis and clarity in 18:15–20, where the restoration of a sinning community member is paramount. The goal of the process described in 18:15–20 is to win over one’s brother or sister (18:15). The restorative process involves (1) bringing the purported sin to the person privately; (2) if the first action does not result in restoration, bringing one or two witnesses along in line with the Old Testament command to protect the accused from false testimony (18:16; not to aid the accuser; cf. Deut. 19:1…
Baker Publishing Group, The Baker Illustrated Bible Commentary, by Gary M. Burge