Synonyms to groundbreaker

ancestor, ancestress, announcer, antecedent, ascendant, avant-garde, begetter, bellwether, buccinator, bushwhacker, explorer, forebear, forefather, foregoer, forerunner, front runner, frontiersman, fugleman, grandparent, guide, harbinger, herald, innovator, lead runner, leader, messenger, parent, pathfinder, pioneer, point, precedent, precursor, predecessor, premise, primogenitor, procreator, progenitor, progenitress, progenitrix, prototype, scout, stormy petrel, trailblazer, trailbreaker, vanguard, vaunt-courier, voortrekker, AFTRA, DJ, MC, adviser, anchor, anchor man, anchorman, annunciator, authority, bellman, broadcaster, buccinator novi temporis, channel, commentator, communicant, communicator, crier, disk jockey, emcee, enlightener, enunciator, expert witness, foreshadower, gossipmonger, grapevine, informant, information center, information medium, informer, interviewee, l