Final answer:
Erving Goffman is the sociologist who introduced the concepts of front stage, setting, and personal front to understand the context of social events.
Step-by-step explanation:
The sociologist who advanced the concepts of front stage, setting, and personal front to better understand the context of a particular event is Erving Goffman. He developed the theory of dramaturgy, which compares social interaction to a theatrical performance. According to Goffman, individuals perform different roles and manage impressions depending on the situation and the audience present. For example, one's behavior may differ when interacting with coworkers, grandparents, or a blind date.