What is the name givin to the group of the people who celebrate it?

The group of people who celebrate a particular event or tradition is often referred to as "participants" or "celebrants." In some contexts, they may also be called "community members" or "enthusiasts," depending on the nature of the celebration. For example, those celebrating a cultural festival might be called "festival-goers" or "cultural practitioners." Overall, the specific name can vary based on the event and its cultural significance.