Djarrus Gost

Djarrus Gost was a nobleman of House Gost in the city of Waterdeep during the 14 century DR. He also served as the silent patron of the Foes of the Fang, an adventuring company dedicated to the eradication of vampires within the civilization of the North.

Activities
Unbeknownst to any of the Foes's members, aside from his half-sister Corinna and her husband, Jandar Ilbaereth, Djarrus donated money and other resources to the Foes of the Fang. In addition, he provided them with information regarding the activities of a number of vampire groups that operated in the North.

Even Djarrus' closest friends and family did not know that he had been charmed, and been provided this information, by the Master Vampire of Waterdeep, Artor Morlin.