v1: God's judgment upon Judah would take various forms. First there is famine.
v2-3: God would remove great men and leaders. When Nebuchadnezzar defeated Judah, he selectively carried away such people, 2 Kings 24.14. The people would be left leaderless and without direction. There is also the lesson that our faith must be in god, not in men, however great or learned.
v4-5: Leaders replaced by the immature and unqualified, leading to oppression and disrespect.
v6-7: Again the unqualified become rulers, compare Eccl 9.13-15, where the wise ruler is overlooked. Leadership is any sphere is essential; but godly leadership is necessary for God's people. Even the man chosen realised that he was unsuitable.
v8-9: Sin is primarily an offence against God; and that is why Jerusalem staggered, and Judah stumbled; this is God's judgment, not some inevitable consequence apart from Him.
There was no shame, as they hid their sins from God. All the disasters that came upon the people were their own fault; they stood responsible before God.
v10-12: Righteous and wicked distinguished. Those who remained faithful to God would be blessed. But "my people" were largely wicked, and would be badly ruled as a result; they had perhaps rebelled against the wise and godly rulers that God had appointed over them.
v13-15: Accusations brought against the people, but especially against the leaders. The Lord God is the righteous judge, having every right to judge His people. In particular, the leaders had oppressed the poor.
v16-17: The people had been proud, but the Lord would bring them low.
v18-23: See also 2.7, where the people had enjoyed their prosperity and luxury. Here the "women of Zion" had dressed in their finery, on which also their hearts were set; but all this would be taken away.
v24: In the place of finery, there is poverty; stench, a rope, baldness, sackcloth, and branding (as of a slave).
v25: At the same time, many of their men would die in battle.
v26: Fulfilled in the defeat of Jerusalem by Babylon, see Lamentations, esp Lam 1.1, she sits lonely, the princess having been made a slave; the Lord's affliction upon His people, Lam 1.12.