Betrothed to an husband - Rather, who has been betrothed to a man. The reference appears to be to a bondwoman who has been betrothed to a fellow-servant by her master. Death was the punishment for unfaithfulness in a betrothed woman in other cases. Compare Deuteronomy 22:23-24.
She shall be scourged - Or, They shall be chastized (see the margin). The trespass-offering was especially due from the man as having not only sinned with the woman, but inflicted an injury on the rights of the master.