molitor

mōlītor, ōris, m. [molior],

one who undertakes to do a thing, an attempter, author, framer, contriver (class.): effector mundi molitorque deus, Cic. Univ. 5: ratis, Ov. M. 8, 302: caedis, Tac. A. 11, 29: novarum rerum, Suet. Dom. 10: maximorum molitores scelerum, Sen. Tranq. 7, 3.