Shall establish thee an holy people unto himself, i.e. shall confirm and establish his covenant with thee, by which he separated thee to himself as a holy and peculiar people, and shall publicly own thee for such, as it follows, Deuteronomy 28:10.
Related Commentaries of Deuteronomy 28:9
Deuteronomy 28:9
9 The LORD shall establish thee an holy people unto himself, as he hath sworn unto thee, if thou shalt keep the commandments of the LORD thy God, and walk in his ways.