“The people” are the twelve tribes, not the Gentiles; and his saints refer to God’s chosen people just before spoken of. Compare Deuteronomy 7:18, Deuteronomy 7:21; Exodus 19:6; Daniel 7:8-21.
Related Commentaries of Deuteronomy 33:3
Deuteronomy 33:3
3 Yea, he loved the people; all his saints are in thy hand: and they sat down at thy feet; every one shall receive of thy words.