'Set Apart' in the Bible

The sons of Amram: Aaron and Moses. And Aaron was set apart to consecrate the most holy things. He and his sons [were] to burn offerings forever before Yahweh to serve him and to bless in his name forever.

And David and the commanders of the army set apart for the service the sons of Asaph, [of] Heman, and [of] Jeduthun, who prophesied with stringed instruments, with harps, and with cymbals. And their inventory of the men of the work [and] for their duty was: