'Execute' in the Bible

Or when the spirit of jealousy cometh upon him, and he be jealous over his wife, and shall set the woman before the LORD, and the priest shall execute upon her all this law.

And Aaron shall offer the Levites before the LORD for an offering of the children of Israel, that they may execute the service of the LORD.

The Lord said to Moses, “Take all the leaders of the people and execute them in broad daylight before the Lord so that His burning anger may turn away from Israel.”

Then Moses ordered the judges of Israel, "Each one of you is to execute the men in his own tribe who joined the Baal-peor cult."

"Attack the Midianites and execute them,

“Execute vengeance for the Israelites against the Midianites. After that, you will be gathered to your people.”

And Moses spoke to the people, saying, Arm from amongst you men for military service, that they go against Midian to execute Jehovah's vengeance upon Midian.

The blood avenger himself is to execute the murderer. When he meets him, the blood avenger is to put him to death.