Officious

/əˈfɪʃəs/ adjective hard

Offering unwanted help or advice in an overly pushy, meddling way, often to feel important.

The officious hall monitor wrote up students for infractions that weren't even his to enforce.

Memory Trick

Looks like 'official,' but an officious person merely acts like an unelected official, meddling in duties that aren't theirs.