If a man strikes his manservant or maidservant with a rod, and the servant dies by his hand, he shall surely be punished.
20. And if a man smite his servant. Although in civil matters there was a wide distinction between slaves and free-men, still, that God may show how dear and precious men’s lives are to Him, He has no respect to persons with regard to murder; but avenges the death of a slave and a free-man in the same way, if he should die immediately of his wound.
Here is, I. A law concerning murder. He had lately said, Thou shalt not kill; here he provides, 1. For the punishing of wilful murder (Exo 21:12): He that smiteth a man, whether upon a sudden passion or in malice prepense, so that he die, the government must take care that the murderer be put to death, according to that ancient law (Gen 9:6), Whoso...
Commenting on Exodus 21:12-21
And if a man smite his servant or his maid with a rod,.... A Canaanitish servant or maid, as the Targum of Jonathan, and so Jarchi; and that only with a rod for the correction of them, and not with a sword or any such destroying weapon, which would seem as though he intended to kill, yet nevertheless: and he die under his hand; immediately...