After a godly sort; i.e. after a manner (as the Greek expression is) worthy of God, viz. as becomes them who bear the name of God, as thou dost, or are intent upon his work, as they are; which latter notion is confirmed by what follows.
Related Commentaries of 3 John 1:6
3 John 1:6
6 Which have borne witness of thy charity before the church: whom if thou bring forward on their journey afterc a godly sort, thou shalt do well: