What is the term used for the powerful group in society, often the majority?

The term that refers to the powerful group in society, often the majority, is "in-group." In sociology, an in-group consists of individuals who share a common identity and sense of belonging. This group often enjoys certain privileges and power dynamics that can influence societal structures and norms. The members of an in-group typically perceive themselves as distinct from others, which can create a stronger solidarity and cohesion within the group. This social dynamic can also contribute to the majority group's influence over societal decisions, access to resources, and cultural dominance.

While the other terms describe different social dynamics, they do not fit the definition of a powerful majority group. An out-group refers to those who do not belong to the in-group and may be seen as outsiders. A reference group is used for comparison, helping individuals evaluate their own behavior and beliefs but does not inherently hold power or majority status. A secondary group is characterized by a more formal and impersonal relationship, typically formed for a specific purpose, and does not necessarily denote a powerful or dominant status in society.