shepherds = rulers (of all kinds). Compare Jer_2:8; Jer_6:3. All three had miserable ends: Jehoiakim (Jer_22:18; Jer_36:30); Jehoiachin, taken to Babylon; and Zedekiah, after his eyes were put out.
principals = strong ones.
of your dispersions: or, when ye are dispersed. So in the Mugah Codex (quoted in the Massorah), with three early printed editions.