Pentecost 17 (3)
Lastly, If even this fail, regard him as no longer a brother Christian, but as one “without”—as the Jews did Gentiles and publicans.
as a Gentile and a tax collector In the narrative’s Jewish context, Gentiles and tax collectors would be regarded as outsiders (see note on Matt 5:46; note on 5:47). This instruction to cut ties with the unrepentant sinner is intended to remove sin from the local group of believers.
Only in the last resort should the whole church get involved. If the person who is in the wrong persists, he or she is to be avoided, just as the Pharisees avoid tax collectors.
“And if he refuses to listen even to the church, treat him as you would a pagan or a tax collector” (v. 17). A pagan or Gentile was outside the people of Israel, not a member of God’s people. Every dishonest tax collector or publican was separated from God’s people, for by choosing the work of gathering taxes for the Romans he had cast in his lot with the enemies of Israel. So Jesus was saying: By his impenitence the offending brother declares that he no longer wants to be a follower of Jesus; he has chosen the way of disobedience and defiance toward God, not the way of obedient faith and love toward the Savior. Then the church pronounces the verdict, which is not its own, but Christ’s, that the sinner is excluded from the Christian fellowship, the church, because of his impenitence.
This action of expelling someone from the fellowship of believers is the last effort of love to jolt the offender out of his impenitence and to bring him to his spiritual senses. The church is in a sad state when the love of its members is not strong enough to take this last step to win a brother, but evades the responsibility to which their Lord has bound them by pious-sounding excuses that such an action is “too harsh,” “loveless,” or “legalistic.”
this failing, the offender puts himself outside the society, and there is nothing for it but to treat him as a heathen or a publican; which does not mean with indifference or abhorrence, but carefully avoiding fellowship with him in sin, and seeking his good only as one without.
Let him be to thee as the heathen—To whom thou still owest earnest good-will, and all the offices of humanity.