Commentaries:
Jamieson, Fausset, and Brown
Instead of serving strangers (Jeremiah 30:8), they shall serve the Lord, their rightful King in the theocracy (Ezekiel 21:27).
David, their king—No king of David's seed has held the scepter since the captivity; for Zerubbabel, though of David's line, never claimed the title of "king." The Son of David, Messiah, must therefore be meant; so the Targum (compare Isaiah 55:3-4; Ezekiel 34:23-24; Ezekiel 37:24; Hosea 3:5; Romans 11:25-32). He was appointed to the throne of David (Isaiah 9:7; Luke 1:32). He is here joined with Jehovah as claiming equal allegiance. God is our "King," only when we are subject to Christ; God rules us not immediately, but through His Son (John 5:22-23, John 5:27).
raise up—applied to the judges whom God raised up as deliverers of Israel out of the hand of its oppressors (Judges 2:16; Judges 3:9). So Christ was raised up as the antitypical Deliverer (Psalms 2:6; Luke 1:69; Acts 2:30; Acts 13:23).
Other Jamieson, Fausset, and Brown entries containing Jeremiah 30:9:
Isaiah 55:4
Jeremiah 30:21
Ezekiel 34:23
Hosea 3:5
Amos 9:11
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