What is the meaning of Zechariah 12:8?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

On that day the LORD will defend the people of Jerusalem, so that the weakest among them will be like David, and the house of David will be like God, like the angel of the LORD going before them.

Berean Standard Bible (BSB)

In that day Yahweh will defend the inhabitants of Jerusalem. He who is feeble among them at that day will be like David, and the house of David will be like God, like the angel of Yahweh before them.

World English Bible (WEB)

In that day{H3117} shall the LORD{H3068} defend{H1598}{(H8686)} the inhabitants{H3427}{(H8802)} of Jerusalem{H3389}; and he that is feeble{H3782}{(H8737)} among them at that day{H3117} shall be as David{H1732}; and the house{H1004} of David{H1732} shall be as God{H430}, as the angel{H4397} of the LORD{H3068} before{H6440} them.

Strong's King James

In that day, יהוה Yahweh will defend the inhabitants of Yerushalayim, and the one who stumbles amongst them in that day will be like David, and the house of David, like the angel of יהוה Yahweh preceding them.

The F.O.G*

The F.O.G Paraphrase

In that day cover over doth Jehovah the inhabitant of Jerusalem, And the stumbling among them hath been in that day as David, And the house of David as God—As a messenger of Jehovah—before them.

Young's Literal Translation