Moses
Numbers 5:12ESV·traditional attribution

“Speak to the people of Israel, If any man’s wife goes astray and breaks faith with him,

Matthew Henry Presbyterian

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

Speak unto the children of Israel, and say unto them,.... It being an affair which concerned them: if any man's wife go aside, and commit a trespass against him; the sin of adultery, which is a going aside out of the way of virtue and chastity, and a trespass against an husband, a breach of the marriage covenant with him, a defiling his bed, doing...

Jamieson-Fausset-Brown Reformed

THE TRIAL OF JEALOUSY. (Num. 5:11-31) if any man's wife go aside, and commit a trespass against him--This law was given both as a strong discouragement to conjugal infidelity on the part of a wife, and a sufficient protection of her from the consequences of a hasty and groundless suspicion on the part of the husband.