The Story Of Prophet Nahum Prophet Nahum was a minor prophet in the Old Testament who prophesied the downfall of the Assyrian empire and the city of Nineveh. In his prophecy, Nahum describes the destruction and devastation that would befall the Assyrians as a punishment for their wickedness and oppression of other nations. He also emphasizes the power and justice of God, who will ultimately bring justice to the oppressed and punish the oppressors. Prophet Nahum's message serves as a reminder of