The term 'Minor Prophet' refers to six prophets in the Hebrew Bible, AMOS (4 letters), Nahum (5 letters), Hosea (5 letters), Obadiah (7 letters), Zechariah (9 letters), and Micah (5 letters). These prophets are known as minor because their books are shorter than those of the major prophets. They all lived during the 8th century BC and preached about the need for repentance and faithfulness to God.