Related Clues:

• Dyed-in-the-wool partisan
• Exorcist's adversary
• Screwtape, for one
• Devilish sort
• Rabid fan
• Inhuman one
• Fanatical enthusiast
• Possessive sort?
• "The Exorcist" foe
• One who's devilishly devoted?
• Minion of Mephistopheles
• Extreme enthusiast
• Succubus
• Wake Forest ___ Deacons
• Rabid enthusiast