וְכִֽי־יִמְכֹּ֥ר אִ֛ישׁ אֶת־בִּתּ֖וֹ לְאָמָ֑ה לֹ֥א תֵצֵ֖א כְּצֵ֥את הָעֲבָדִֽים׃
And if a man sell his daughter to be a maid-servant, she shall not go out as the men-servants do.
Read Jewish philosophy on Exodus 21:7: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.