neoterist
/nɪˈɒtərɪst/Now rare
noun
A proponent or adherent of new ideas, beliefs, or practices; (also) a coiner or user of new words or phrases, a neologist. Also (occasionally) as adjective.
Origin
Late 19th century; earliest use found in Scribner's Monthly. From ancient Greek νεωτερίζειν to make innovations + -ist, after neoterism.