Moses
Numbers 5:13ESV·traditional attribution

if a man lies with her sexually, and it is hidden from the eyes of her husband, and she is undetected though she has defiled herself, and there is no witness against her, since she was not taken in the act,

Matthew Henry Presbyterian @wholebiblehenry

We have here the law concerning the solemn trial of a wife whose husband was jealous of her. Observe, I. What was the case supposed: That a man had some reason to suspect his wife to have committed adultery, Num 5:12-14. Here, 1. The sin of adultery is justly represented as an exceedingly sinful sin; it is going aside from God and virtue, and the good way, Pro 2:17.

Commenting on Numbers 5:11-31

John Gill Reformed Baptist @doctorgill

And a man lie with her carnally,.... That is, is suspected that he has so done, not that it is a clear case, for it follows: and it be hid from the eyes of her husband, and be kept close; so that it is not known by her husband, nor by any other; "she hath hid herself", so Ainsworth, being in a private place with...

Keil & Delitzsch Lutheran @keilanddelitzsch

Num 5:11-31 Sentence of God upon Wives Suspected of Adultery. - As any suspicion cherished by a man against his wife, that she either is or has been guilty of adultery, whether well-founded or not, is sufficient to shake the marriage connection to its very roots, and to undermine, along with marriage, the foundation of the civil commonwealth, it was of the greatest importance to...

Commenting on Numbers 5:11-31