2 Samuel 15:19

Then the king said to Ittai the Gittite, "Why do you also go with us? Return, and stay with the king; for you are a foreigner, and also an exile. Return to your own place.

2 Samuel 18:2

David sent forth the people, a third part 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. The king said to the people, "I will surely go forth with you myself also."

Ruth 1:11-13

Naomi said, "Go back, my daughters. Why do you want to go with me? Do I still have sons in my womb, that they may be your husbands?

Treasury of Scripture Knowledge

Summary

Then said the king to Ittai the Gittite, Wherefore goest thou also with us? return to thy place, and abide with the king: for thou art a stranger, and also an exile.

Bible References

Ittai

2 Samuel 18:2
David sent forth the people, a third part 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. The king said to the people, "I will surely go forth with you myself also."
Ruth 1:11
Naomi said, "Go back, my daughters. Why do you want to go with me? Do I still have sons in my womb, that they may be your husbands?