badge
Pronunciation: /badʒ/
noun
- a small piece of metal, plastic, or cloth bearing a design or words, typically worn to identify a person or to indicate membership of an organization or support for a cause: the badge of the Cheshire Regiment they wore plastic name badges
- a distinguishing object or emblem: the car’s front badge is much loved by thieves
- a feature or sign which reveals a particular quality: philanthropy was regarded as a badge of social esteem
verb

Origin:
late Middle English: of unknown origin