Leviticus 19 20
If a man has sex with a servant girl promised to become another man's wife, but who hasn't yet been bought or set free, then compensation has to be paid. However, they are not to be killed, because she hadn't been set free.
Compare with other 3 random translations
GW Leviticus 19:20“If a man has sexual intercourse with a female slave who is engaged to another man and if her freedom was never bought or given to her, they should not be put to death. He will only pay a fine because she is a slave.
EAS Leviticus 19:20A slave girl belongs to a man. Another man must not have sex with her. If he does, he is doing a wrong thing. But the girl is not free. He has not bought her. You must punish them. But you must not kill them because the girl was not free.
NLT Leviticus 19:20“If a man has sex with a slave girl whose freedom has never been purchased but who is committed to become another man’s wife, he must pay full compensation to her master. But since she is not a free woman, neither the man nor the woman will be put to death.