bigot
noun
die-hard, doctrinaire, dogmatic theorist, dogmatist, dogmatizer, energumen, extremist, fanatic, illiberal, infatuate, intolerant, ipse dixit, know-all, know-it-all, monomaniac, opinionated person, opinionist, persecutor, ranter, redneck, rigorist, stickler, stubborn person, zealot
Burton's Legal Thesaurus.
William C. Burton.
2006