Classifier Moderate

a person who creates classifications

"The museum hired a specialist classifier to organize their vast collection of artifacts into distinct historical periods."

a word or morpheme used in some languages in certain contexts (such as counting) to indicate the semantic class to which the counted item belongs

"In Mandarin Chinese, you must choose the correct classifier for each object before adding a number when counting items."

Someone who classifies.

"The new employee was hired as a classifier to sort incoming mail by department before it reached the desks."