Nomenclator

Noun

no=men=cla=tor

CIDE DICTIONARY

Nomenclator, n. [L., fr. nomen name + calare to call. See Name, and Calendar.].

One who calls persons or things by their names. [1913 Webster]
" In Rome, candidates for office were attended each by a nomenclator, who informed the candidate of the names of the persons whom they met and whose votes it was desirable to solicit." [1913 Webster]
One who gives names to things, or who settles and adjusts the nomenclature of any art or science; also, a list or vocabulary of technical names. [1913 Webster]