n.1.One who discredits.
References in periodicals archive ?
They were clearly interested in rehabilitating him as a pious Catholic as part of the Kulturkampf of their own era; thus Heine--more so than Varnhagen von Ense--appears as an opponent and discreditor of Brentano.
He has the discreditor arguing that |religious propositions comprise [a set] .
Columnist desperate Dan O'Neill is one of the most ardent discreditors of the Christian faith.