Jeremiah 34:9
that each man should free his Hebrew slaves, both male and female, and no one should hold his fellow Jew in bondage.
Berean Standard Bible
That every man should let his manservant, and every man his maidservant, being an Hebrew or an Hebrewess, go free; that none should serve himself of them, to wit, of a Jew his brother.
that every man should let his male servant, and every man his female servant, who is a Hebrew or a Hebrewess, go free, that no one should make bondservants of them, of a Jew his brother.