The Major Prophets were divinely appointed men who served as spokesmen for God. They include Isaiah, Jeremiah, Lamentations, Ezekiel, and Daniel. Their messages, written in the books that bear their names, included prophecies, warnings, calls for repentance, and promises of the coming Messiah. They spoke to their communities as preachers, foretold future judgments and deliverances, and watched over Israel. Each prophet brought messages to help humanity understand God's will and plan as revealed in the Bible.