1.
organizer; host; sponsor (of an event)
The person or organization that plans and takes responsibility for an event, conference, competition, or gathering.
Usage
The base word 主催 means "hosting" or "organizing," and 主催者 adds the person/entity suffix. 主催 alone is also commonly used: ~主催の (hosted by ~).
Common collocations
- 主催者側 (the organizer's side)
- 主催者発表 (announcement by the organizer)
- イベントの主催者 (the event organizer)
- 主催者の責任 (the organizer's responsibility)