John the Apostle
John 13:13ESV·traditional attribution

You call me Teacher and Lord, and you are right, for so I am.

Matthew Henry Presbyterian @wholebiblehenry

It has generally been taken for granted by commentators that Christ's washing his disciples' feet, and the discourse that followed it, were the same night in which he was betrayed, and at the same sitting wherein he ate the passover and instituted the Lord's supper; but whether before the solemnity began, or after it was all over, or between the eating of the passover and...

Commenting on John 13:1-17

John Gill Reformed Baptist @doctorgill

Ye call me Master and Lord,.... and "Master" and "Lord", were dignified titles among the Jews, which they frequently (y) gave to their doctors and men of learning, and are often to be met with in their writings: hence the disciples called Christ by these names, not out of flattery, but reverence of him, and esteem for him; nor are they blamed, but commended for...

Albert Barnes Presbyterian @notesbybarnes

Verse 13. Ye call me Master. Teacher. And Lord. This word is applied to one who rules, and is often given to God as being the Proprietor and Ruler of all things. It is given to Christ many hundred times in the New Testament, Ye say well, &c. . So I am. That is, he was their Teacher and Instructor, and he was their Sovereign and King.