And he provided the first part for himself, because there, in a portion of the lawgiver, was he seated; and he came with the heads of the people, he executed the justice of the LORD, and his judgments with Israel.
He chose the best of the land for himself, for there a commander's portion was reserved; and he came with the heads of the people, with Israel he executed the justice of the LORD, and his judgments for Israel."
The people of Gad took the best land for themselves; a leader’s share was assigned to them. When the leaders of the people were assembled, they carried out the LORD ’s justice and obeyed his regulations for Israel.”
He chose the best [part] for himself, because a ruler's portion was assigned there for him. He came [with] the leaders of the people; he carried out the Lord's justice and His ordinances for Israel.
Deuteronomy 33:21 In-Context
They will summon peoples to the mountain and there offer the sacrifices of the righteous; they will feast on the abundance of the seas, on the treasures hidden in the sand.”
About Gad he said: “Blessed is he who enlarges Gad’s domain! Gad lives there like a lion, tearing at arm or head.
He chose the best land for himself; the leader’s portion was kept for him. When the heads of the people assembled, he carried out the LORD’s righteous will, and his judgments concerning Israel.”
About Dan he said: “Dan is a lion’s cub, springing out of Bashan.”
About Naphtali he said: “Naphtali is abounding with the favor of the LORDand is full of his blessing; he will inherit southward to the lake.”