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Argan was an agent of Daeva, the 'Exarch' of the Red Robes and an unfrocked priest. He was unfrocked from the priesthood due to his beliefs of racial supremacy. 

Argan was described as ordinary looking with blonde hair. He believed that due to his blonde hair he was racially superior. Argan was also charismatic and intelligent.

Argan was the counterpart to Bheid, and formed the Red Robes Order as the counterpart to Bheid's Grey Robes. He was defeated by Bheid and transformed into individual particles by Dweia

Argan was the only character besides Daeva who was able to at least partially control Yakhag.