Thief
About
The Thief is a recurring humanoid class in the Disgaea series.
Stealing is regarded as an advanced technique, so the Thieves' Guild is the largest in the Netherworld and is dedicated to preserving the advanced techniques of stealing. Thieves will steal anything by request and can even steal things not visible to the naked eye, such as emotions. Legend speaks of a legendary Thief King, though it is also suggested that this is a title taken on by skilled Thieves.
(Source: Disgaea Wiki)
