Sir Kaufman

 is a collector, a type of NPC that exchanges trophies for armor.

Locations

 * Crystal Desert

Dialogue

 * "I'm searching for 5 Massive Jawbones. I can offer you one of the following items in exchange. Can you help me?"

Trivia
Kaufman means "Trader" in German, and is mostly a name used by Jewish people. This character may also be called after one of the Contractors for Arenanet, Daniel Kaufman.