And their nobles shall be of themselves, and their governor shall proceed from the midst of them; and I will cause him to draw near, and he shall approach unto me: for who is this that engaged his heart to approach unto me? saith the LORD.
Their nobles -- rather, 'their Glorious One' х 'adiyrow (H117)], or 'Leader' (cf. Acts 3:15, "The Prince (Greek, archeegos (G747), Prince-leader) of life;" Hebrews 2:10), answering to "their governor" in the parallel clause.
Of themselves - of their own nation, a Jew, not a foreigner; applicable to Zerubbabel, or John Hyrcanus (hereditary high priest and governor), only as types of Christ (Genesis 49:10; Micah 5:2, "Out of thee (Bethlehem-Ephratah, in Judah) shall He come forth unto me that is to be ruler in Israel;" Romans 9:5), the antitypical "David" (Jeremiah 30:9).
I will cause him to draw near - as the great Priest. "To draw near," or "approach unto the Lord," is the technical phrase for ministering as a priest (Exodus 19:22, "The priests which come near to the Lord;" Leviticus 21:17). Through Him (Messiah) believers also have access to God (Hebrews 10:19-22). His priestly and kingly characters are similarly combined (Psalms 110:4; Zechariah 6:13, "He shall sit and rule upon His throne; and He shall be a priest upon His throne," where, see my note).
Who ... engaged his heart to approach - literally, pledged his heart, i:e., his life; a thing unique: Messiah alone hath made His life responsible as the surety (Hebrews 7:22; Hebrews 9:11-15), in order to gain access not only for Himself, but for us to God. Heart is here used for life, to express the courage which it needed to undertake such a tremendous suretiship. The question implies admiration at one being found competent by His two-fold nature, as God and man, for the task. Compare the interrogation (Isaiah 63:1-3).