non-believer
noun
[ nɒnbɪˈliːvə ]
• a person who does not believe in a particular thing, especially one who has no religious faith.
Similar:
sceptic,
doubter,
doubting Thomas,
unbeliever,
disbeliever,
cynic,
nihilist,
atheist,
non-theist,
agnostic,
freethinker,
libertine,
infidel,
pagan,
heathen,
paynim,
