Deuteronomy 18:4-6

The Voice

⁴ You must also give the priests the first grain, wine, and olive oil you produce each year, and the first wool you shear from your sheep ⁵ because the Eternal your God chose Levi and his descendants, out of all of your tribes, to stand in His presence and to serve in His name at all times.

⁶ If a Levite who’s living in one of your cities anywhere in Israel decides he really wants to go and live in the place the Eternal will choose,