public speaker standing on podium silhouette. politician woman opening meeting ceremony event. businessman speaking.

academy agitation audience brainstorming briefing building business businessman campaign ceremony conference congress convention corporate debate discussion duel education educator election event expert faculty institute knowledge label leader lecturer manager meeting microphone minister narrator opening opponent orator person podium politician presentation presenter president professor public relations rostrum seminar show silhouette speaker speaking speech stage stand standing summit symbol symposium talk talking teach teacher team trainer tribune university vector woman