An example of a zealot is an extremely religious person.
Origin of zealot
- Middle English zelote from Latin zēlōtēs from Greek from zēlos zeal
From American Heritage Dictionary of the English Language, 5th Edition
- First coined in English in 1638, from Ancient Greek Î¶Î·Î»Ï‰Ï„Î®Ï‚ (zÄ“lÅtÄ“s, “emulator, zealous admirer, follower"), from Î¶á¿†Î»Î¿Ï‚ (zÄ“los, “zeal, jealousy"), from Î¶Î·Î»ÏŒÏ‰ (zÄ“loÅ, “to emulate, to be jealous").