Related Clues:

• Over-zealous person, fanatic
• Fanatic, obsessed person
• Person filled with excessive zeal for cause
• Militant proponent
• A fanatic or obsessed follower
• A fanatic or over-enthusiastic person
• Fanatic person, much too enthusiastic
• Fervent, perhaps militant, proponent
• A fanatic, driven person
• One is motivated by irrational enthusiasm
• Single-minded supporter of a cause
• Be moderate one can't, if a person like this
• No moderate way to have a revolver over the attic, by the sound of it
• Ardent proponent
• Very strong supporter wants to laze around