LiveZ,
The answer to your problem is simple...
You're playing the wrong game!!! Put away "Betrayal in Antara", there are no Mooks in there... And start playing Wizardry 8!!
Go to "Arnika" and after having applied the patch, you should see Screg (the Mook).
Patch can be downloaded from:
http://www.3dgamers.com/games/wizardry8/#filelist