Shall save them. He shall give them a positive blessing beyond mere deliverance from enemies. Keil, "Shall endow them with salvation." As the flock of his people; so the Vulgate; literally, as a flock, his people; Septuagint, ὡς πρόβατα, λαὸν αὐτοῦ.
He will tend his people as a shepherd tends his flock (Psalms 77:20; Psalms 100:3; Jeremiah 23:1; Ezekiel 34:2, Ezekiel 34:8, etc.), So Christ calls himself the "good Shepherd," and his followers "little flock" (John 10:11; Luke 12:32).
Stones of a crown. The valuable gems set in crowns and diadems, or in the high priest's official dress. The people shall be in God's sight as precious as these in the eyes of men, and shall be highly exalted.
The Septuagint and Vulgate render, "sacred stones;" and Knabenbauer thinks that by the term is meant the temple of God, which shall arise or shine in the Holy Laud, as a reward for its faithful defence.
But the sense given above is satisfactory and simpler. Lifted up as an ensign upon his land; better, as the Revised Version margin, glittering upon his land. "His" may refer to Jehovah, or Israel; probably the latter is meant.
The "land" is the crown or diadem in which the precious stones, the redeemed people, are set. They shall be raised to the highest possible glory and honour. If the words be taken in the sense of "raised on high over his land," they must be considered to indicate that the crown which contained the gems shall be raised aloft in victorious triumph.