D defs.my
Entry 2 senses Webster, 1913

Relator

/(r?-l?t"?r)/ · Re·lat·or · IPA
01 n. One who relates; a relater.
  1. 1.
    One who relates; a relater.
  2. 2.
    A private person at whose relation, or in whose behalf, the attorney-general allows an information in the nature of a quo warranto to be filed.(Law)