Greg is the star quarterback of the football team and hangs out with larry, who is the star pitcher of the baseball team. ben also hangs out with larry and greg. when classmates refer to ben, they call him a member of the "jocks." the crowd with which ben associates serves as:

The crowd with which Ben associates serves as a reference group.
A reference group refers to any group of people which share and influence other people's behaviors, ideas, beliefs, and opinions. Given that Ben spends a lot of time with the 'jocks,' Greg and Larry, he is considered by others a member of their group as he shares the same interests and ideas as them. 

The answer is an appellate court.