heretic
noun
[ ˈhɛrɪtɪk ]
• a person believing in or practising religious heresy.
Similar:
dissident,
dissenter,
nonconformist,
unorthodox thinker,
heterodox thinker,
apostate,
freethinker,
iconoclast,
schismatic,
renegade,
disruptor,
sceptic,
agnostic,
atheist,
non-theist,
non-believer,
unbeliever,
idolater,
idolatress,
pagan,
heathen,
separatist,
sectarian,
revisionist,
tergiversator,
recreant,
recusant,
nullifidian,
paynim,
Origin:
Middle English: from Old French heretique, via ecclesiastical Latin from Greek hairetikos ‘able to choose’ (in ecclesiastical Greek, ‘heretical’), from haireomai ‘choose’.
