Moses
Exodus 22:29BSB·traditional attribution

You must not hold back offerings from your granaries or vats. You are to give Me the firstborn of your sons.

John Calvin Reformed @genevareformer

29. Thou shalt not delay. We may gather from this passage that the first-fruits were offered, to the end that the Israelites should devote themselves and their possessions to God; for Moses enjoins these two things in conjunction, that they should not delay to consecrate to God of the abundance of their fresh fruits, and their first-born.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A law against extortion in lending. 1. They must not receive use for money from any that borrowed for necessity (Exo 22:25), as in that case, Neh 5:5, Neh 5:7. And such provision the law made for the preservation of estates to their families by the year of jubilee that a people who had little concern in trade could not be supposed...

Commenting on Exodus 22:25-31

John Gill Reformed Baptist @doctorgill

And ye shall be holy men unto me,.... They were so by God's act of election, not special and particular, but general and national; choosing and separating them to be an holy people to him, above all the people on the face of the earth, and in a ceremonial sense they observing laws and appointments of God of this kind; which is the sense here...