Read Matthew 18:15 Using Other Translations
Moreover if thy brother shall trespass against thee, go and tell him his fault between thee and him alone: if he shall hear thee, thou hast gained thy brother.
"If your brother sins against you, go and tell him his fault, between you and him alone. If he listens to you, you have gained your brother.
“If another believer sins against you, go privately and point out the offense. If the other person listens and confesses it, you have won that person back.