NUM 18:6

6 Lo! I have given to you your brethren, the deacons, from the midst of the sons of Israel, and I have given you them (as) a free gift to the Lord, that they serve in the services of the tabernacle. (Behold! I have given you your brothers, the Levites, from among the Israelites, and I have given them to you as a free gift for the Lord, in their service to the Tabernacle.)