Moses
Leviticus 4:16ESV·traditional attribution

Then the anointed priest shall bring some of the blood of the bull into the tent of meeting,

Matthew Henry Presbyterian @wholebiblehenry

This is the law for expiating the guilt of a national sin, by a sin offering. If the leaders of the people, through mistake concerning the law, caused them to err, when the mistake was discovered an offering must be brought, that wrath might not come upon the whole congregation. Observe, 1. It is possible that the church may err, and that her guides may mislead her.

Commenting on Leviticus 4:13-21

John Gill Reformed Baptist @doctorgill

When a ruler hath sinned,.... Or "prince", the "nasi", one that is lifted up above others in honour, power, and authority, or that bears the weight of government: the word comes from one which signifies to lift up, or to bear; it may be understood of a governor of a family, or of a tribe, as Aben Ezra observes; and so in the Talmud (k)...

Jamieson-Fausset-Brown Reformed @jfbcommentary

SIN OFFERING FOR THE PRIEST. (Lev. 4:3-35) If the priest that is anointed do sin--that is, the high priest, in whom, considering his character as typical mediator, and his exalted office, the people had the deepest interest; and whose transgression of any part of the divine law, therefore, whether done unconsciously or heedlessly, was a very serious offense, both as regarded himself individually, and the influence of his example.

Commenting on Leviticus 4:3-35