In light of all the times Christians are referenced and title themselves as slaves (Doulos) in the NT- how do you explain the context of John 15:15? That He no longer calls us slaves (Doulos) but friends...
In John 15:15 Jesus is referring to the relationship he has with the disciples. There relationship dynamic has changed as Christ is now letting them in on a deeper level regarding what it is he has come to do. This does not by any means diminish His Lordship over the disciples, rather it adds a deeper element to it. Christ calls his followers friend and not slave. However, His followers never neglect to walk in the deepest realities of their relationship to Christ. Yes, they are friends of Jesus but they are also very much slaves as he is their Lord. The person who is most free is the one who is a slave to the perfect master. The disciples did not see "slavery" to Christ as a thing of bondage but of liberation. To be Christ's slave is to be His friend and it is freeing and glorious. This is why the Apostles could see themselves as friends of Christ yet at the same time boast that they were also His slaves...