4 adjectives to describe blasphemer

If I disbelieved in Christianity, I should be the loudest blasphemer in Hyde Park.

The noisy blasphemers of the newest Paris strike the reader as Christian fanatics turned inside out; for all their vehemence they can never lose the experience of their religious birth.

They likewise sent forth secret agents to alarm the people by threats of the divine vengeance if they did not insist on the execution of Jesus, whom they termed a sacrilegious blasphemer.

Peace, then, ye blasphemers of Liberty's name!

4 adjectives to describe  blasphemer