self constituted
/ˌsɛlf ˈkɑnstɪˌtutɪd/
adjective
- Having appointed oneself to a position or role without outside authority.
- The self-constituted committee had no official power but still made decisions.
- She acted as a self-constituted expert on the topic, even though she had no training.
- He was a self-constituted leader of the neighborhood watch group.