NET
17 If he refuses to listen to them, tell it to the church. If he refuses to listen to the church, treat him like a Gentile or a tax collector.
Darby
17 But if he will not listen to them, tell it to the assembly; and if also he will not listen to the assembly, let him be to thee as one of the nations and a tax-gatherer.
KJV
17 “And if he shall neglect to hear them, tell” [it] “unto the church: but if he neglect to hear the church, let him be unto thee as an heathen man and a publican.”