organizzatore meaning in English

flag-bearer▼(one who openly promotes an idea or value and becomes symbolic for it)
noun
[UK: flæɡ ˈbeə.rə(r)] [US: ˈflæɡ ˈbe.rər]

host [hosts]▼(person or organisation responsible for running an event)
noun
[UK: həʊst] [US: hoʊst]

organizer [organizers]▼(person arranging public events)
noun
[UK: ˈɔː.ɡə.naɪ.zə(r)] [US: ˈɔːr.ɡə.ˌnaɪ.zər]

overseer [overseers]▼(one who oversees)
noun
[UK: ˈəʊv.ə.sɪə(r)] [US: ˈoʊv.r̩.sɪə(r)]