Here "him" represents all the Levites. (See: [[rc://en/ta/man/translate/figs-metonymy]])
# to stand to serve in the name of Yahweh
Here "the name of Yahweh" stands for Yahweh himself and his authority. AT: "to be his special servants" or "to serve as a representative of Yahweh" (See: [[rc://en/ta/man/translate/figs-metonymy]])
# him and his sons forever
Here "him" represents all the Levites. AT: "the Levites and their descendants forever" (See: [[rc://en/ta/man/translate/figs-synecdoche]])