A priest must not marry a woman defiled by prostitution or divorced by her husband, for the priest is holy to his God.
7. They shall not take a wife. The third kind of purity is in marriage itself, that the priests’ home may be chaste and free from all dishonor. At this time also God commands by the mouth of Paul, that pastors should be chosen, who rule well their own houses, whose wives are chaste and modest, and their children well-behaved.
It was before appointed that the priests should teach the people the statutes God had given concerning the difference between clean and unclean, Lev 10:10, Lev 10:11. Now here it is provided that they should themselves observe what they were to teach the people. Note, Those whose office it is to instruct must do it by example as well as precept, Ti1 4:12.
Commenting on Leviticus 21:1-9
They shall not take a wife that is a whore, or profane,.... By the former is meant a common whore, that prostitutes herself to any one through lust or for gain; and by the latter one whose chastity is violated, but either unwillingly, that has been forced and ravished, or else willingly, being enticed, persuaded, and prevailed upon, but did not make a practice of...