Gaeriyan

Gaeriyan is a human ghost quest giver located just north of Gadgetzan in Tanaris.

Gaeriyan is only visible if the player is in ghost form. The Videre Elixir was a convenient means of attaining ghost form for this purpose.

Quests
He was involved in two quests in the It's a Secret to Everybody quest chain:
 * Meet at the Grave
 * A Grave Situation

Quotes
I have given you all the knowledge I have, . May luck be with you.
 * Post quest gossip