I the LORD have called thee in righteousness, and will hold thine hand, and will keep thee, and give thee for a covenant of the people, for a light of the Gentiles; A covenant of the people "A covenant to the people" - For עם am, two MSS. of Dr. Kennicott's, and of my own, read עולם olam, the covenant of the age to come, or the everlasting covenant; which seems to give a clearer and better sense. But I think the word ברית berith, here, should not be translated covenant, but covenant sacrifice, which meaning it often has; and undoubtedly in this place. This gives a still stronger and clearer sense.
Related Commentaries of Isaiah 42:6
Isaiah 42:6
6 I the LORD have called thee in righteousness, and will hold thine hand, and will keep thee, and give thee for a covenant of the people, for a light of the Gentiles;