participant Antonyms

rule maker attestant lulu looker-on voucher testifier swearer stander-by spotter spectatrix spectatress spectator signer attestator kibitzer non-working rules-maker passerby out of service fly on the wall fish out of water dysfunctional nonparticipant rubbernecker onlooker moviegoer gawker signatory seer gaper fan eyewitness earwitness dishful deponent debaucher contemplator cojuror clapper beholder attestor goggler idle researcher playgoer perceiver peddler passer-by pariah outsider