(n.) One who dogmatizes; one who speaks dogmatically; a bold and arrogant advancer of principles.

ass bigot bitter-ender bullethead chauvinist diehard doctrinaire dogmatizer donkey fanatic hardnose illiberal infallibilist intolerant intransigeant intransigent jingo last-ditcher male chauvinist maverick mule opinionist perverse fool pig pighead positivist purist racist sexist standpat standpatter stickler superpatriot ultranationalist