| fanatic(noun, person, interest, crazy, radical) |
| zealot(noun, person, crazy, radical, obstinacy) |
| intolerant(noun, adjective, extremist, diehard, racist) |
| dogmatist(noun, person, certainty, radical, obstinacy) |
| racist(noun, person, intolerant, extremist) |
| doctrinaire(noun, adjective, person, certainty, intolerant) |
| enthusiast(noun, person, radical, obstinacy, fanatic) |
| sectarian(noun, person, radical, fanatic, partisan) |
| fiend(noun, person, interest, crazy, radical) |
| chauvinist(noun, person, fanatic, intolerant, extremist) |
| maniac(noun, person, crazy, radical, fanatic) |
| sexist(noun, person, intolerant, extremist, prude) |
| monomaniac(noun, person, radical, fanatic, intolerant) |
| puritan(noun, person, intolerant, impiety, dogmatist) |
| opinionist(certainty, obstinacy) |
| extremist(noun, person, radical, conservative, partisan) |
| nut(noun, crazy, radical, fanatic, freak) |
| partisan(noun, person, supporter, radical, intolerant) |
| diehard(noun, person, intolerant, dogmatist) |
| xenophobe |