1) Bigot 2) Extremist 1) Canine doctrinaire 2) Doctrinaire 3) Drumbeater 4) Partisan 5) Zealot 
• (n.) One who dogmatizes; one who speaks dogmatically; a bold and arrogant advancer of principles.
A follower of the dogmatic school. ... (05 Mar 2000) ... 
Dog'ma·tist noun [ Latin dogmatistes , Greek ... , from ....] One who dogmatizes; one who speaks dogmatically; a bold and arrogant advancer of principles. « I expect but little success of all this upon the dogmatist ; his opinioned assurance is paramount to argument.» Glan...
Type: Term Pronunciation: dog′mă-tist Definitions: 1. A follower of the dogmatic school.
[n] - a stubborn person of arbitrary or arrogant opinions
dogmatist One who dogmatizes, who asserts or lays down particular dogmas; especially, one who positively asserts or imposes his own opinions; a dogmatic person.
doctrinaire noun a stubborn person of arbitrary or arrogant opinions
a person who asserts his or her opinions in an unduly positive or arrogant manner; a dogmatic person. · a person who lays down dogmas.