polemicist

Friedman was an exceptionally talented polemicist, but he also struck the moments right.

But those cuts are less likely to matter to the polemicists who will not experience the institutionalized cruelties firsthand.

A clear and muscular polemicist, he wrote, edited or contributed to more than 50 books.

Dworkin was a feminist polemicist who had a lot of ideas that don't age well, but in this book, she's got conservative women dead to rights.

Of course, a veteran polemicist loves having an enemy to point to.