Obadiah (ō"budī'u) [key], in the Bible. 1. Prophet, author of the book of Obadiah. 2. Ahab's major-domo. 3. Descendant of David. 4. One of David's mighty men. 5. Prince under Jehoshaphat. 6. Repairer of the Temple. 7. Father of Ishmaiah. 8. Same as Abda2.