Matthew 20:27

and whosoever will be first among you, let him be your bondman;

Matthew 18:4

Whoever therefore shall humble himself as this little child, he is the greatest in the kingdom of the heavens;

Mark 9:33-35

And he came to Capernaum, and being in the house, he asked them, Of what were ye reasoning by the way?

Luke 22:26

But ye shall not be thus; but let the greater among you be as the younger, and the leader as he that serves.

Acts 20:34-35

Yourselves know that these hands have ministered to my wants, and to those who were with me.

Romans 1:14

I am a debtor both to Greeks and barbarians, both to wise and unintelligent:

1 Corinthians 9:19-23

For being free from all, I have made myself bondman to all, that I might gain the most possible.

2 Corinthians 4:5

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

2 Corinthians 11:5

For I reckon that in nothing I am behind those who are in surpassing degree apostles.

2 Corinthians 11:23-27

Are they ministers of Christ? (I speak as being beside myself) I above measure so; in labours exceedingly abundant, in stripes to excess, in prisons exceedingly abundant, in deaths oft.

2 Corinthians 12:15

Now I shall most gladly spend and be utterly spent for your souls, if even in abundantly loving you I should be less loved.

Treasury of Scripture Knowledge

Summary

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

Bible References

General references

Matthew 23:11
But the greatest of you shall be your servant.
Luke 22:25
And he said to them, The kings of the nations rule over them, and they that exercise authority over them are called benefactors.
Philippians 2:5
For let this mind be in you which was also in Christ Jesus;