Listeners : a person who listens, especially someone who does so in an attentive manner.Audience : the assembled spectators or listeners at a public event such as a play, film, concert, or meeting.Onlookers : a non-participating observer; a spectator.Participants : a person who takes part in something.Spectators : a person who watches at a show, game, or other event.Synonym of Spectators is Onlookers