Matthew 23:11 NIV

1 Corinthians 9:19 niv
Though I am free and belong to no one, I have made myself a slave to everyone, to win as many as possible.

2 Corinthians 4:5 niv
For what we preach is not ourselves, but Jesus Christ as Lord, and ourselves as your servants for Jesus’ sake.

John 13:14-15 niv
Now that I, your Lord and Teacher, have washed your feet, you also should wash one another’s feet. I have set you an example that you should do as I have done for you.

Luke 22:26-27 niv
But you are not to be like that. Instead, the greatest among you should be like the youngest, and the one who rules like the one who serves. For who is greater, the one who is at the table or the one who serves? Is it not the one who is at the table? But I am among you as one who serves.