Theif

Skills

 * Detecting Hidden
 * Hiding
 * Lock picking
 * Remove Trap
 * Snooping
 * Poisoning
 * Tactics
 * Stealth

Bonuses
Less chance to fail in thief skills

Use poisoning on more powerful potions without increased difficulty

More stealth steps

Better at hiding

Better at detecting hidden

Harder to detect

Raise DEX faster

Reference:
http://members.iinet.com.au/~thomasp1/infovault.html

http://members.iinet.net.au/~deadstick/public_html/zha/