He chose the best land for himself, because a ruler’s portion was reserved for him there. He came with the leaders of the people; he administered the LORD’s justice and His ordinances for Israel.”
Jewish Publication Society of America Version (JPS1917) - Deuteronomy 33:21 >And he chose a first part for himself, for there a portion of a ruler was reserved; and there came the heads of the people, he executed the righteousness of the LORD, and His ordinances with Israel.