Deuteronomy 10:8

8At that time athe Lord set apart the tribe of Levi bto carry the ark of the covenant of the Lord cto stand before the Lord to minister to him and dto bless in his name, to this day.

1 Samuel 16:21-22

21And David came to Saul eand entered his service. And Saul loved him greatly, and he became his armor-bearer. 22And Saul sent to Jesse, saying, “Let David remain in my service, for he has found favor in my sight.”

2 Chronicles 29:11

11My sons, do not now be negligent, ffor the Lord has chosen you to stand in his presence, to minister to him and to be his ministers and make offerings to him.”

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