במדבר, פרק ג׳, פסוק י״ז

The tribe of Levi holds a unique and chosen status among all the tribes of Israel. Much like the Sabbath is set apart from all other days and the Land of Israel from all other lands, the Levites are intimately selected. Because of His deep affection for them, God commands that they be counted repeatedly [שפתי כהן]. Although Jacob had already dedicated them in the past, the Levites now step into a renewed and permanent existence that will endure for all generations [שפתי כהן]. This enduring identity is rooted in their strict loyalty to their heritage. Unlike families in other tribes, the Levites carefully preserved their original names over the years without changing them [העמק דבר], a commitment that reflects a deep, unblemished purity [שפתי כהן].

The internal structure of the tribe is highly organized, flowing hierarchically from the heads of the ancestral houses down to the smaller sub-families [מלבי״ם]. At the top of this structure are the three main sons, with Gershon listed first simply because he is the firstborn. Beyond their family divisions, these three branches served a vital spiritual purpose. They were tasked with protecting the Israelite camp from strict divine justice, and their physical placement around the Tabernacle reflected this mission. The families of Gershon camped to the west to drive away and block any weak forces of strict justice. The families of Kohath camped to the south to keep the spirit of justice from awakening altogether. Meanwhile, the families of Merari camped to the north, the very source of harsh divine justice, to absorb the bitterness and prevent it from striking Israel [שפתי כהן].

Despite their vital role, the total population of the Levites remained relatively small compared to the other tribes. Their daily duties required them to work in extreme closeness to the Divine Presence, a proximity that carries the heavy risk of death in this world. This danger was most visible among the descendants of Kohath. Even though they initially had the largest population of the three brothers, they were specifically responsible for carrying the Ark of the Covenant, where the Divine Presence rested. This sacred duty left them highly exposed to mortality. This physical risk will only be removed in the future, when humanity will finally be able to look upon the glory of God and live [שפתי כהן].