crowdcontroller
nounUK /ˈkraʊd kənˌtrəʊlə/
US /ˈkraʊd kənˌtroʊlər/
A crowd controller is a person who keeps a big group of people safe and calm.
The crowd controller helped everyone line up quietly at the concert.
OTHER MEANINGS
2. A device or tool used to guide or manage large groups of people.
The stadium used a crowd controller system to direct fans to their seats.
3. A software tool that manages many users or tasks at once.
The app's crowd controller keeps the chat room from getting too messy.
4. A person who organizes people during a parade or festival.
The crowd controller waved the parade watchers back behind the line.