For simply differing from the obscurantism of his age, and having opinions of his own.
Obscurantism is better than the light of incendiary torches.
Its greatest crime was obscurantism, which was war on knowledge and civilization.
In the East the harem is, as Vambéry well says, the "bulwark of obscurantism."
In a certain sense every form of responsibility is obscurantism.