Micaiah is a figure from the Hebrew Bible, specifically mentioned in the books of 1 Kings and 2 Chronicles. He is known as a prophet who served during the reign of King Ahab of Israel. Micaiah is notable for his opposition to the king's other prophets, as he delivered messages that often contradicted their favorable predictions. In one significant account, Micaiah prophesied the defeat of Ahab in battle, which ultimately came true. His story highlights the role of prophets in ancient Israel, emphasizing the importance of speaking truthfully, even in the face of powerful opposition. Micaiah's unwavering commitment to his prophetic duty makes him a key figure in biblical narratives.