純化論者
Purist \Pur"ist\, n. [Cf. F. puriste.] 1. One who aims at excessive purity or nicety, esp. in the choice of language. He [Fox] . . . purified vocabulary with a scrupulosity unknown to any purist. --Macaulay. 2. One who maintains that the New Testament was written in pure Greek. --M. Stuart.
purist n : someone who insists on great precision and correctness (especially in the use of words)