Orwin Gizzmick

Orwin Gizzmick was a level 50 quest giver located at Camp Mojache in the contested territory of Feralas. He was looking for adventurers willing to acquire a number of samples of - a mysterious form of ore guarded jealously by the Gordunni ogres in their compound to the north of Camp Mojache.

He started the quest.

Speculation
Orwin has been missing the Cataclysm. It is possible that he has left to join the Bilgewater Cartel now that they are part of the Horde or has merely decided to pursue a business avenue in another place.