Matthew 20:27

and whosoever may wish to be first among you, shall be your slave:

Matthew 18:4

Therefore whosoever shall humble himself as this little child, the same is the greater in the kingdom of the heavens;

Mark 9:33-35

And He came into Capernaum.And He being in the house asked them, What were you disputing about to one another in the way?

Luke 22:26

But you are not thus: but let the greater among you be as the younger; and the leader as the waiter.

Acts 20:34-35

you yourselves know, that these hands did minister to my necessities, and those along with me.

Romans 1:14

I am debtor both to the Greeks, and to the barbarians; both to the wise, and the unwise:

1 Corinthians 9:19-23

For being free from all, I rendered myself servant to all, that I may gain the more.

2 Corinthians 4:5

For we do not preach ourselves, but Christ Jesus the Lord, and ourselves your servants for Jesus' sake.

2 Corinthians 11:5

For I consider that I am not inferior to the chief of the apostles.

2 Corinthians 11:23-27

Are they the ministers of Christ? (I speak as a mad man,) I am more; in labors more abundantly, in stripes more abundantly, in prisons more frequently, in deaths often;

2 Corinthians 12:15

But I will most delightfully spend and be spent for your souls. If the more abundantly I love you am I loved the less?

Treasury of Scripture Knowledge

Summary

And whosoever will be chief among you, let him be your servant:

Bible References

General references

Matthew 23:11
And the great of you shall be your deacon.
Luke 22:25
And He said to them, The kings of the Gentiles domineer over them; and those exercising authority over them are called Benefactors.
Philippians 2:5
Think the same thing among yourselves, which is also in Christ Jesus: