'Staff' in the Bible

Thus says the Lord of hosts, ‘Old men and old women will again sit in the streets (public places) of Jerusalem, each man with his staff in his hand because of his advanced age.

I took my staff, Favor, and broke it in pieces, breaking the covenant which I had made with all the peoples.

Then I broke my second staff, Union, into pieces to break the brotherhood between Judah (the Southern Kingdom) and Israel (the Northern Kingdom).

The Lord said to me, “Take again for yourself the equipment [of a shepherd, but this time] of a foolish shepherd.