Jeremiah
Jeremiah 6:3BSB·traditional attribution

Shepherds and their flocks will come against her; they will pitch their tents all around her, each tending his own portion:

John Calvin Reformed @genevareformer

But he afterwards adds, Come shall shepherds, etc.; that is, there is no ground for the Jews to deceive themselves, because God has hitherto spared them, and restrained the assaults of enemies; for now shall come shepherds. He keeps to the same metaphor; “come, “he says, “shall shepherds, “together with their flocks; that is, come shall leaders of armies with their forces.

Matthew Henry Presbyterian @wholebiblehenry

Here is I. Judgment threatened against Judah and Jerusalem. The city and the country were at this time secure and under no apprehension of danger; they saw no cloud gathering, but every thing looked safe and serene: but the prophet tells them that they shall shortly be invaded by a foreign power, an army shall be brought against them from the north, which shall lay...

Commenting on Jeremiah 6:1-8

John Gill Reformed Baptist @doctorgill

The shepherds with their flocks shall come unto her,.... Kings and their armies, as the Targum paraphrases it; kings and generals are compared to shepherds, and their armies to flocks, who are under their command and direction; here they design Nebuchadnezzar king of Babylon, with his generals and armies, who should come up against Jerusalem, as to a good pasture: they shall pitch their tents...