Micah, a prophet during the reigns of Jotham, Ahaz, and Hezekiah, delivered a message of judgment against the northern and southern kingdoms due to their sins against God and each other, including coveting, lies, and oppression. The prophecy warns of impending destruction but also offers a message of hope and restoration, emphasizing God's mercy and the coming ruler from Bethlehem. Key themes include the need for justice, the consequences of moral failure, and the ultimate promise of God's compassion for His people.