There being at this time but very few priests, and the profits and privileges belonging to them being many and great, they thought it but fit and reasonable that they, or some of the chief of them, should be admitted to share in their work and advantages.
Related Commentaries of Numbers 16:10
Numbers 16:10
10 And he hath brought thee near to him, and all thy brethren the sons of Levi with thee: and seek ye the priesthood also?