charlatan
noun
the shallow promise of a charlatan selling snake oil: quack, sham, fraud, fake, impostor, hoaxer, cheat, deceiver, double-dealer, swindler, fraudster, mountebank; informal phony, shark, con man, con artist, scam artist, flimflammer, bunco artist, snake oil salesman

If true that he intends to recreate the Georgia Guidestones, then "charlatan" is a too-kind descriptive for this psycho. Just sayin....