'Peculiar People' in the Bible

for a holy people art thou to Jehovah thy God; on thee hath Jehovah thy God fixed, to be to Him for a peculiar people, out of all the peoples who are on the face of the ground.

For thou art an holy people unto the LORD thy God, and the LORD hath chosen thee to be a peculiar people unto himself, above all the nations that are upon the earth.

And the LORD hath avouched thee this day to be his peculiar people, as he hath promised thee, and that thou shouldest keep all his commandments;