organizator

例句：

1. 1. The event was organized by a group of volunteers.
   这个活动是由一群志愿者组织的。
2. 2. He is an excellent organizer who can make events run smoothly.
   他是一位出色的组织者，能够使活动顺利进行。
3. 3. The organizers have announced the schedule for the upcoming conference.
   组织者已经宣布了即将到来的会议的日程安排。