2 Samuel 15:19-20

19And the king said to Ittai the Gittite, Why dost thou also go with us? return to thy place, and abide with the king; for thou art a foreigner, and besides, thou hast emigrated to the place where thou [dwellest].

20Thou didst come yesterday, and should I this day make thee go up and down with us, seeing I go whither I can? Return and take back thy brethren. Mercy and truth be with thee!