Social stigma is when society thinks that something is bad.
The sociologist Erving Goffman wrote that there are three kinds of social stigma: 1. Physical differences such as obesity, scars, and leprosy. 2. Differences in personal traits, such as mental illness, drug addiction, and alcoholism. 3. "Tribal stigmas" are traits of ethnic group, nationality, or of religion that are thought as different to that of the majority ethnicity, nationality or religion.
- Erving Goffman (1963). Stigma: Notes on the Management of Spoiled Identity. Prentice-Hall.