conventicler means someone who supports or frequents conventicles. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From conventicle + -er.
noun
- Someone who supports or frequents conventicles.“I fear 'tis unavoidable if the conventiclers be permitted still to scatter. A man may be suffered to quote an adversary to our religion when he speaks truth”