ZEALOT

Gung-ho type

• Ardent advocate

• Ardent proponent

• Ardent supporter

• Big fan

• Crank

• Dyed-in-the-wool partisan

• Enthusiast

• Extreme enthusiast

• Extreme one

• Extremely gung-ho person

• Extremist

• Fanatic

• Fanatical enthusiast

• Fanatical follower

• Fanatical sort

• Fanatically committed one

• Fervent sort

• Firebrand

• Gung-ho so-and-so

• Gung-ho sort

• Hound

• Humorless sort

• Masada defender

• More than just a fan

• Person with a cause

• Proselytizer

• Radical

• Religious fanatic

• Serious fan

• Simon the ___ (one of the Apostles)

• Uncompromising partisan

• Wild-eyed one

• A fervent and even militant proponent of something