Jeremiah
Jeremiah 34:9BSB·traditional attribution

that each man should free his Hebrew slaves, both male and female, and no one should hold his fellow Jew in bondage.

Matthew Henry Presbyterian @wholebiblehenry

We have here another prophecy upon a particular occasion, the history of which we must take notice of, as necessary to give light to the prophecy. I. When Jerusalem was closely besieged by the Chaldean army the princes and people agreed upon a reformation in one instance, and that was concerning their servants. 1.

Commenting on Jeremiah 34:8-22

John Gill Reformed Baptist @doctorgill

That every man should let his manservant, and every man his maidservant, being an Hebrew, or an Hebrewess, go free,.... This is the proclamation that was agreed to be made, that every manservant and maidservant, that serve six years an apprenticeship, should be freed from their servitude, according to the law in Exo 21:1; a law founded upon justice and equity, mercy and compassion; done...

Jamieson-Fausset-Brown Reformed @jfbcommentary

none . . . serve himself of a Jew-- (Lev 25:39-46).