Neologist n. : One who introduces new words or new senses of old words into a language.

Neologist n. : An innovator in any doctrine or system of belief, especially in theology; one who introduces or holds doctrines subversive of supernatural or revealed religion; a rationalist, so-called.

Example:
Hi my Neologist Preston wanted to know how the world came to baseball muffins?

Taxonomy
Neologisms, language, Wiktionary, protologism, common use, phrases, novel, 2000s, 07-29, free encyclopedia, neologistic, Word Spy, new doctrine, protologisms, Articles with unsourced statements, Foreign languages, dictionaries, 1941.

Defination from the web:
... In this sense, a neologist is one who proposes either a new doctrine or a new interpretation of source material such as religious texts. [edit] Background ...