Astranaar Officer

Astranaar Officers are level 20 - 21 night elves found on the shore north of the lake in which Astranaar lies in Ashenvale.

Attacks and abilities

 * Bladestorm (Physical) - Instantly Whirlwind all nearby targets and for the next 6 sec you will perform a whirlwind attack every 1 sec. While under the effects of Bladestorm, you can move but cannot perform any other abilities.
 * Commanding Shout (Physical) - Increases maximum health of all party members within 20 yards by 50. Lasts 2 min.
 * Shoot (Physical) - Shoots at an enemy, inflicting Physical damage.

Objective of

 * Slaying 3 Astranaar Officers is the objective of Breathing Room.

Speculation
Given they wear Sentinel's Guard, they may be members of the Sentinels.