1. (n.) A forerunner; a precursor; a messenger; as warmer weather is a harbinger of the vacation season\.

2. (n.) One who provides lodgings; especially, the officer of the English royal household who formerly preceded the court when traveling, to provide and prepare lodgings.

3. (v. t.) To usher in; to be a harbinger of.

Gabriel ancestor announce announcer antecedent augury avant-garde bellwether buccinator buccinator novi temporis bushwhacker evangel evangelist explorer forebear foregoer forerun forerunner foreshadower foreshow foretoken front runner frontiersman fugleman give notice groundbreaker guide herald herald angel innovator lead runner leader messenger notify omen outrider pathfinder pioneer point portent preannounce precedent precursor predecessor preindicate premonitor presage presager proclaim run before scout sign stormy petrel trailblazer trailbreaker vanguard vaunt-courier voortrekker