Moses
Exodus 21:8ESV·traditional attribution

If she does not please her master, who has designated her for himself, then he shall let her be redeemed. He shall have no right to sell her to a foreign people, since he has broken faith with her.

Matthew Henry Presbyterian @wholebiblehenry

The first verse is the general title of the laws contained in this and the two following chapters, some of them relating to the religious worship of God, but most of them relating to matters between man and man. Their government being purely a Theocracy, that which in other states is to be settled by human prudence was directed among them by a divine appointment...

Commenting on Exodus 21:1-11

John Gill Reformed Baptist @doctorgill

If she please not her master,.... "Be evil in the eyes of her master" (p); and he has no liking of her, and love to her, not being agreeable in her person, temper, or conduct, so that he does not choose to make her his wife: who hath betrothed her to him; but not completed the marriage, as he promised, when he bought her, or...

Jamieson-Fausset-Brown Reformed @jfbcommentary

LAWS FOR MAIDSERVANTS. (Exo. 21:7-36) if a man sell his daughter--Hebrew girls might be redeemed for a reasonable sum. But in the event of her parents or friends being unable to pay the redemption money, her owner was not at liberty to sell her elsewhere.

Commenting on Exodus 21:7-36