Henceforth I call you not servants - Which he at least indirectly had done, Joh 13:16; Mat 10:24, Mat 10:25; Luk 17:10.
I have called you friends - I have admitted you into a state of the most intimate fellowship with myself; and have made known unto you whatsoever I have heard from the Father, which, in your present circumstances, it was necessary for you to be instructed in.