List of harbinger synonyms and harbinger related words.
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