Why this word is great
ARISTARCH — [Noun] A severe or overly harsh critic, whose judgment is meticulous, unsparing, and grounded in an often-unattainable standard of purity. From the Latin Aristarchus, from the Ancient Greek Ἀρίσταρχος (Arístarkhos), the name of Aristarchus of Samothrace, a grammarian known for his severe criticism of Homeric poetry. Unlike a pundit, who trades in public expertise, or a reviewer, who provides general evaluation, an aristarch is defined by a corrosive fastidiousness that eclipses admiration. It is the red pen circling a single comma in a ten-page manuscript, the dinner guest who catalogues every imperfectly seared scallop, the cold gleam in a proofreader's eye upon finding the typo that ruins everything—a guardian of an ideal that, in its perfect defense, leaves nothing alive.