Moses
Leviticus 6:5KJV·traditional attribution

Or all that about which he hath sworn falsely; he shall even restore it in the principal, and shall add the fifth part more thereto, and give it unto him to whom it appertaineth, in the day of his trespass offering.

Matthew Henry Presbyterian

This is the latter part of the law of the trespass-offering: the former part, which concerned trespasses about holy things, we had in the close of the foregoing chapter; this concerns trespasses in common things. Observe here, I. The trespass supposed, Lev 6:2, Lev 6:3.

Commenting on Leviticus 6:1-7

John Gill Reformed Baptist

Or all that about which he hath sworn falsely,.... In all and each of the above cases, in which he had committed a trespass and denied it, and to the denial adds a false oath, and yet after all acknowledges it: he shall even restore it in the principal; whatsoever he has embezzled, or cheated another of, or detained from the right owner, the whole...

Adam Clarke Methodist

All that about which he hath sworn falsely - This supposes the case of a man who, being convicted by his own conscience, comes forward and confesses his sin. Restore it in the principal - The property itself if still remaining, or the full value of it, to which a fifth part more was to be added.