John 13:4-5
and was now going to God, rose from supper, laid aside his upper garments, and took a towel and girded himself.
John 13:13-14
"Do you understand what I have been doing to you? You call me 'Teacher' and 'Master', and you say well, for such I am.
Luke 22:26-27
"But you shall not be so. But he who is greater among you let him become like the younger; and he who is leader like him who serves.
Philippians 2:22
And you know Timothy's worth, how he has shared my servitude in furtherance of the gospel, like a son helping his father.
1 Timothy 5:10
She must be well reputed for good works, as one who has brought up a family, received strangers with hospitality, washed the feet of the saints, relieved the distressed, and diligently followed every good work.