Which one? Here's the form ID's of the references to all of the Bravil Skooma Den faction members:
- Gellius Terentius (0000A11E)
- J'zin-Dar (0000A132)
- R'vanni (0000A133)
- Reistr the Rotted (0000A134)
- Roxanne Brigette (0000A135)
- S'Krivva (00035DD7)
You can use your console to ~
PRID XXXXXXXXMoveTo 0002FFCC ; Skooma den doorResurrect 1 ; If they're dead
... or something similar.