Gaeriyan
From WoWWiki
Gaeriyan is a level 60 quest giver located just north of Gadgetzan in the contested territory of Tanaris.
Gaeriyan is only visible if you are in ghost form and on the prerequisite quest. The Videre Elixir is a convenient means of attaining ghost form for this purpose.
He ends the quest 
[52] Meet at the Grave.
He starts the quest [52] A Grave Situation.
See List of Tanaris NPCs.
