Do you both know of the concept of out-group homogeneity? I wonder if that would help. I experience a lot that people expect me to have all kind of weird opini

Do you both know of the concept of out-group homogeneity? I wonder if that would help. I experience a lot that people expect me to have all kind of weird opinions because they think I'm part of a group which they think holds these opinions. They think I'm part of that group because some of my opinions match with the group.