Concerning Kedar, and concerning the kingdoms of Hazor, which Nebuchadrezzar king of Babylon shall smite, thus saith the LORD; Arise ye, go up to Kedar, and spoil the men of the east.
Concerning Kedar - son of Ishmael (Genesis 25:13). The Kedarenes led a wandering predatory life in Arabia Petraea, as the Bedouin Arabs (2 Chronicles 21:16-17; Psalms 120:5). Kedar means blackness [qaadar] (Song of Solomon 1:5).
Concerning the kingdoms of Hazor - not the city in Palestine, but a district in Arabia Petraea. "The kingdoms" refer to the several combinations of clans, each under its own sheikh.
Spoil the men of the east - Kedar and Hazor were east of Judea (Judges 6:3; Job 1:3).