'Executioner' in the Bible

Meanwhile, in Egypt the Midianites sold Joseph [as a slave] to Potiphar, an officer of Pharaoh and the captain of the [royal] guard.

Now Joseph had been taken down to Egypt; and Potiphar, an Egyptian officer of Pharaoh, the captain of the [royal] guard, bought him from the Ishmaelites, who had taken him down there.

Now there was with us [in the prison] a young man, a Hebrew, servant to the captain of the guard; and we told him, and he interpreted our dreams for us, to each man according to the significance of his own dream.

Then Nebuzaradan the [chief executioner and] captain of the bodyguard took the rest of the people who remained in the city, along with those who had deserted and surrendered to him, and the rest of the [so-called better class of] people who were left and carried them into exile in Babylon.

Then Daniel replied with discretion and wisdom to Arioch, the captain of the king’s bodyguard, who had gone out to execute the wise men of Babylon;