A thief teaches thief skills at the Freebooters' Society in Bree.

A thief is waiting here to teach his art.
>examine thief
He is a thief who has specialized in killing others as effectively as possible,
using all sorts of weapons.  His superior knowledge of how and where to use
them combined with his extraordinary stealth makes him a deadly opponent.

Skill list

Skill	Sessions	Difficulty
attack	2	Normal
dodge	3	Hard
hide	3	Normal
pick	1	Normal
piercing weapons	6	Normal
search	1	Normal
sneak	3	Hard
Skill	Sessions	Difficulty
-------	----------	------------
steal	3	Normal