John 13:13

Ye call me Master and Lord
(ybr) , and (rm) , "Master" and "Lord", were dignified titles among the Jews, which they frequently ^F25 gave to their doctors and men of learning, and are often to be met with in their writings: hence the disciples called Christ by these names, not out of flattery, but reverence of him, and esteem for him; nor are they blamed, but commended for it:

and ye say well, for so I am;
though he had acted the part of a servant in such a surprising manner, by washing their feet; yet he had not dropped and lost, but still maintains his place and authority as a "Master" to teach and instruct them, and as a "Lord" to rule and govern them.