
When rebellion rose against King David and he fled Jerusalem (2 Samuel 15:14), a soldier from Gath refused to leave him.
And Ittai answered the king, and said, As the LORD liveth, and as my lord the king liveth, surely in what place my lord the king shall be, whether in death or life, even there also will thy servant be.— 2 Samuel 15:21 (KJV)
A Stranger and an Exile
David told Ittai to go back: "thou art a stranger, and also an exile... thou camest but yesterday" (2 Samuel 15:19–20). Ittai answered with the oath above. So "Ittai the Gittite passed over, and all his men, and all the little ones that were with him" (2 Samuel 15:22). Six hundred men from Gath had come after David (2 Samuel 15:18).
Commander of a Third of the Army
And David sent forth a third part of the people under the hand of Joab, and a third part under the hand of Abishai the son of Zeruiah, Joab’s brother, and a third part under the hand of Ittai the Gittite.— 2 Samuel 18:2 (KJV)
Is Ittai the Gittite in the List of Mighty Men?
Not by that title. The Thirty include "Ittai the son of Ribai out of Gibeah of the children of Benjamin" (2 Samuel 23:29), a Benjamite, which is a different description from Ittai of Gath. See the full list.

41 bold coloring pages of King David's warriors, straight from 2 Samuel 23 and 1 Chronicles 11. Ages 5–99+. Paperback, $9.99. See inside the book.
Get the Coloring BookFrom the PsalmsMine eyes shall be upon the faithful of the land, that they may dwell with me: he that walketh in a perfect way, he shall serve me.— Psalm 101:6 (KJV)
Questions About David's Mighty Men
Who was Ittai the Gittite?
A man of Gath who followed David with six hundred men when David fled Jerusalem, swore to stay with him in death or life (2 Samuel 15:18–22), and commanded a third of David's army (2 Samuel 18:2).
Was Ittai the Gittite a giant?
Scripture does not say so. It calls him a Gittite, a man of Gath, but gives no description of his size.
What happened to Ittai the Gittite?
After the battle in the wood of Ephraim (2 Samuel 18:6), Scripture records nothing further about him.
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