'Guardians' in the Bible

Ahab had seventy sons in Samaria, and Jehu wrote letters, and he sent them to Samaria to the officials of Jezreel, to the elders and to the guardians of Ahab, saying,

So whoever was over the house, and whoever was over the city, and the elders and the guardians sent to Jehu, saying, "We [are] your servants; all that you say to us, we shall do. We shall not make anyone a king. Do [what] is good in your eyes."

And Shallum the son of Kore, son of Ebiasaph, son of Korah, and his kinsmen of the house of his fathers, the Korahites, [were] over the work of the service, the guardians of the entrances to the tent, and their fathers [were] over the camp of Yahweh, guardians of the entrance.

And they came to Hilkiah the high priest and gave the money that was brought for the house of God, which the Levites, the guardians of the threshold, had gathered from the hand of Manasseh, Ephraim, and from the whole remnant of Israel, and from all Judah and Benjamin and the inhabitants of Jerusalem.

And kings shall be your {guardians}, and their queens your nurses. They shall bow down, {faces} [to the] ground, to you, and they will lick up the dust of your feet. Then you will know that I [am] Yahweh; those who await me shall not be ashamed.

For if you have ten thousand guardians in Christ, yet [you do] not [have] many fathers, for in Christ Jesus I fathered you through the gospel.

but he is under guardians and managers until the time set by [his] father.