[No.2 lets you donate clan points.
No.4 is the guy that lets u switch class. (correct me if im wrong)
No.6 sells Beggar clothes]

Quest Credit to Metherlance

1. Quest Name: The Request of Zhao Bihao
Quest NPC: Zhao Bihao - The Hunter
QUest Objective: 1 Wolf Claw, 1 Wolf SKin, 1 Wolf Tail
Quest Reward:

a. Wolfclaws Necklace- +8 Maximum Life

1.a.Quest Name: The Wolfclaws Necklace
Quest NPC: Bai Xiulian - Storage Keeper
QUest Objective: Iniated upon completion of "The Request of Zhao Bihao". Trade in One-Eyed BUddhist Statue
Quest Reward:

a. Bai Xiulian?s Silver Sachet - +1 Str, +1 Wisdom