ETYM Latin haereticus, Greek, able to choose, heretical, from hairein to take, choose: cf. French hérétique. Related to Heresy.
1. A person who holds religious beliefs in conflict with the dogma of the Roman Catholic Church; SYN. misbeliever, religious outcast.
2. A person who holds unorthodox opinions in any field (not merely religion).
miscreant / mɪskriənt /
ETYM Old Fren. mescreant, French mécréant; pref. mes- (Latin minus less) + p. pr. from Latin credere to believe. Related to Creed.
1. One who holds a false religious faith; an atheist.
2. One not restrained by Christian principles; an unscrupulous villain; a vile wretch.
nonbeliever / nɑːnbəliːvər /
One who lacks religious faith
unbeliever / ʌnbɪliːvər /
1. One that does not believe in a particular religious faith
2. One that does not believe; an incredulous person; doubter, skeptic