Other hyponyms of exponent include
apologist,
justifier,
vindicator,
commie,
communist,
constitutionalist,
Darwinian,
democrat,
populist,
fascist,
federalist,
Gnostic,
humanist,
humanitarian,
ideologue,
internationalist,
irredentist,
irridentist,
isolationist,
Jansenist,
libertarian,
Maoist,
Marxist,
nationalist,
neoclassicist,
neutralist,
nullifier,
drumbeater,
partisan,
zealot,
partitionist,
Platonist,
pro-lifer,
presenter,
sponsor,
protectionist,
republican,
ritualist,
ruralist,
secessionist,
secularist,
separationist,
separatist,
interpreter,
representative,
spokesperson,
voice,
suffragist,
admirer,
booster,
champion,
friend,
protagonist,
supporter,
supremacist,
teleologist,
Thatcherite,
unilateralist,
voice in the wilderness.