This author was very happy when someone told him that Gaius was walking in the truth. He was always happy to hear that his children were walking in the truth. Gaius had been faithful even to strangers. They had testified about the love of Gaius for the church. He had sent the strangers on in a manner worthy of God. These travelers had begun their journey for the sake of the name of Christ, without any support from the pagan gentiles. Thus, when we support those preachers for Christ, we actually become their co-workers. Do you give financial support to traveling Christian preachers?