self–appointed

self–appointed /ˌsɛlfəˈpoÉȘntəd/ adjective
self–appointed
/ˌsɛlfəˈpoÉȘntəd/
adjective
Britannica Dictionary definition of SELF–APPOINTED
disapproving
: thinking of yourself as having a particular position, job, responsibility, etc., without considering the opinions or wishes of other people