purist
pur‧ist /ˈpjʊərəst, ˈpjʊərɪst $ ˈpjʊr-/
noun [countable]
The purists won’t like it, but opera on TV certainly brings in the audiences.
Architects with purist views were suspicious of his work.
pur‧ist /ˈpjʊərəst, ˈpjʊərɪst $ ˈpjʊr-/
noun [countable] Word Family: noun: purification, purist, purity ≠ impurity, purifier; verb: purify; adverb: purely; adjective: pure ≠ impure
someone who believes that something should be done in the correct or traditional way, especially in the areas of art, sport, music, and language: