Faelian is an altmer noble living with his girlfriend Atraena in the Imperial City. He had squandered all his money on the drug skooma and is heavily addicted. He has a key to Lorkmir's house which he will give to you for skooma.
Faelian spends most of his day in Lorkmir's house which he claims to be abandoned. He has turned the place into his personal skooma den and Lorkmir's dead body can be found in the basement presumably killed by Faelian.
He is targeted by the Dark Brotherhood for assassination and due to his addiction to skooma is usually ‘out of it’ and an easy kill.