Matthew 18:15-17

Young's Literal Translation

¹⁵ `And if thy brother may sin against thee, go and show him his fault between thee and him alone, if he may hear thee, thou didst gain thy brother;

¹⁶ and if he may not hear, take with thee yet one or two, that by the mouth of two witnesses or three every word may stand.

¹⁷ `And if he may not hear them, say [it] to the assembly, and if also the assembly he may not hear, let him be to thee as the heathen man and the tax-gatherer.