Exodus 21:20
"If a man strikes his male servant or his female servant with a staff so that he or she dies as a result of the blow, he will surely be punished.
Genesis 4:15
But the Lord said to him, "All right then, if anyone kills Cain, Cain will be avenged seven times as much." Then the Lord put a special mark on Cain so that no one who found him would strike him down.
Genesis 4:24
If Cain is to be avenged seven times as much, then Lamech seventy-seven times!"
Genesis 9:6
"Whoever sheds human blood, by other humans must his blood be shed; for in God's image God has made humankind."
Exodus 21:26-27
"If a man strikes the eye of his male servant or his female servant so that he destroys it, he will let the servant go free as compensation for the eye.
Numbers 35:19
The avenger of blood himself must kill the murderer; when he meets him, he must kill him.
Numbers 35:30-33
"Whoever kills any person, the murderer must be put to death by the testimony of witnesses; but one witness cannot testify against any person to cause him to be put to death.
Deuteronomy 19:21
You must not show pity; the principle will be a life for a life, an eye for an eye, a tooth for a tooth, a hand for a hand, and a foot for a foot.
Proverbs 29:19
A servant cannot be corrected by words, for although he understands, there is no answer.
Isaiah 58:3-4
They lament, 'Why don't you notice when we fast? Why don't you pay attention when we humble ourselves?' Look, at the same time you fast, you satisfy your selfish desires, you oppress your workers.
Romans 13:4
for it is God's servant for your good. But if you do wrong, be in fear, for it does not bear the sword in vain. It is God's servant to administer retribution on the wrongdoer.