Matthew 20:27

And whoever would be first among you, let him be your servant:

Matthew 18:4

Whoever, therefore, should be humbled as this young child, the same is the greater in the kingdom of the heavens.

Mark 9:33-35

And he came to Capernaum: and being in the house he asked them, What reasoned ye to yourselves in the way

Luke 22:26

And ye not so: but let the greater with you be as the younger; and he leading, as he serving.

Acts 20:34-35

And ye yourselves know, that to my necessities, and to those being with me, these hands served.

Romans 1:14

Both to Greeks, and foreigners; both to wise and unwise, I am debtor.

1 Corinthians 9:19-23

For being free from all, I have subjected myself to all, that I might gain the more.

2 Corinthians 4:5

For we proclaim not ourselves, but Christ Jesus the Lord; and ourselves your servants for Jesus.

2 Corinthians 11:5

For I reckon myself to be nothing greatly inferior to the sent.

2 Corinthians 11:23-27

Are they Christ's servants? (I speak being light-headed) I above; in toils more abundant, in blows more excessively, in watchings more abundantly, in deaths often.

2 Corinthians 12:15

And I very willingly will expend and be expended for your souls; if also loving you more abundantly, the less I should be 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
And the greater of you shall be your servant.
Luke 22:25
And he said to them, The kings of the nations rule over them; and they exercising power over them are called benefactors.
Philippians 2:5
For let this be in mind among you, which also in Christ Jesus;