Numbers 27:17

27:17 who will go out before them, and who will come in before them, and who will lead them out, and who will bring them in, so that the community of the Lord may not be like sheep that have no shepherd.”

Numbers 27:21

27:21 And he will stand before Eleazar the priest, who will seek counsel for him before the Lord by the decision of the Urim. At his command they will go out, and at his command they will come in, he and all the Israelites with him, the whole community.”