John 13:16

13:16 I tell you the solemn truth, the slave is not greater than his master, nor is the one who is sent as a messenger greater than the one who sent him.

John 15:15

15:15 I no longer call you slaves, because the slave does not understand what his master is doing. But I have called you friends, because I have revealed to you everything I heard from my Father.

John 15:20

15:20 Remember what I told you, ‘A slave is not greater than his master.’ If they persecuted me, they will also persecute you. If they obeyed my word, they will obey yours too.

John 18:16

18:16 But Simon Peter was left standing outside by the door. So the other disciple who was acquainted with the high priest came out and spoke to the slave girl who watched the door, and brought Peter inside.