Miscreant
Miscreant , noun
[Old French mescreant, French mécréant; pref. mes- (Latin minus less) + p. pr. from Latin credere to believe. See Creed.]
1.
One who holds a false religious faith; a misbeliever. [Obsolete] — Spenser. De Quincey
Thou oughtest not to be slothful to the destruction of the miscreants, but to constrain them to obey our Lord God.
2.
One not restrained by Christian principles; an unscrupulous villain; a depraved person; a vile wretch. — Addison
Miscreant , adjective
1.
Holding a false religious faith.
2.
Destitute of conscience; unscrupulous; villainous; base; depraved. — Pope