I'm seeing this strange bug where a Wadi Quartermaster named Narfidar is not usable for an assignment requiring a Quartermaster.
Narfidar is not assigned to anything:
http://i.imgur.com/wRKZa.png
Narfidar is not an option for "Scavenge Battle Wreckage from Skirmish":
http://i.imgur.com/Beztd.png