Meder Nulen is a Dunmer Pawnbroker working for the Camonna Tong at their hideout in Nevrila Areloth's house in Sadrith Mora. He has a variety of goods for sale but has a negative disposition towards the Nerevarine. He is not associated with any quests and has no unique dialogue.
He will sell the Nerevarine common clothes, Iron and Chitin Weapons, a Netch Leather Tower Shield, various ingredients, and an assortment of miscellaneous items. As a Pawnbroker, he will buy most items from the Nerevarine.