nicodemite

Because of his secrecy over his religious beliefs, Newton has been described as a Nicodemite.

Catholic biographers sometimes depict Cranmer as an unprincipled opportunist, a Nicodemite, and a tool of royal tyranny.

Snobelen, Stephen D. "Isaac Newton, heretic: the strategies of a Nicodemite."

But the voters can smell a Nicodemite through the TV screen every time we politicos trot out the party line, and collective responsibility that is too tightly constrained turns parliamentary politics into a parade of clowns.