Of the Exodar is a title awarded to Alliance players upon completing the achievement 
Exalted Champion of the Exodar, which requires the player attain exalted status with the Exodar and earn the right to represent the Exodar in the Argent Tournament.
Draenei characters can obtain this title by completing 
[80] The Valiant's Challenge (Alliance). Characters of other Alliance races must complete their version of The Valiant's Challenge, then complete [80] A Valiant of the Exodar.
Patch Changes
Patch 3.1.0 (2009-04-14): Title added.
