From WoWWiki

Sven Yorgen is a level 20 quest giver located at a small camp on the northern edge of the Hushed Bank in the human-aligned territory of Duskwood. He gives out several quests involving killing undead creatures as well as the retrieval of an important item from the Yorgen Farmstead which he was forced to abandon because of the Defias Brotherhood.

He starts the following quests:

•  [25] Sven's Revenge
•  [25] The Shadowy Figure
•  [28] Proving Your Worth
•  [29] Seeking Wisdom
•  [32] Morbent Fel (Elite)

See List of Duskwood NPCs.