Beyond the negative responsibility to not cause our brothers and sisters to sin, we also have a positive responsibility to rebuke them when they do sin (v 3). As followers of Jesus, our kingdom commitment to righteousness means that we have an obligation to confront sin in the lives of other believers, particularly when our brother or sister sins against us. Obviously, that confrontation needs to be undertaken with a spirit of love and humility (see
“God expects us to keep short accounts. In other words, when you sin against God and against your fellow believer repent as soon as possible and move on.” (79)
“Pharisaism is a perennial temptation not just for the non-Christians, who have their own made up rules, but for Christians as well.” (253)