This phrase refers to the man's attitude and emotions of jealousy. See how you translated this in [Numbers 5:14](./14.md). Alternate translation: "who is jealous" (See: [[rc://en/ta/man/translate/figs-metonymy]])
This is an idiom that means that he suspects that his wife has been unfaithful to him by sleeping with another man. Alternate translation: "and suspects that his wife has been unfaithful to him" or "and suspects that his wife has slept with another man" (See: [[rc://en/ta/man/translate/figs-idiom]])