Shariya za Musa zalaviwa kutsupira alavyadzi-sadaka, yani atu a chivyazi cha Lawi. Ela kazi za alavyadzi-sadaka taziyatosha chikamilifu kpwa malengoge gosi. Kpwa hivyo phakala na haja phakale na mlavyadzi-sadaka wanjina akale sawa na ulavyadzi-sadaka wa Melikisedeki ambao si sawa na wa Aruni.
Shariya za Musa zinaamba, alavyadzi-sadaka, ambao osi ni chivyazi cha Lawi, ahale fungu ra kumi kula kpwa Aiziraeli ayae. Ahenda hivyo hata dzagbwe kala ni ndugu zao, yani atu a chivyazi cha Burahimu.
Piya hunaweza kuamba, hata Lawi mwenye, ambaye chivyaziche chinaphokera fungu ra kumi, iye naye walavya fungu ra kumi kpwa Melikisedeki kutsupira mkarewe Burahimu.