noun
Loanword from English 'officer', used in contexts such as police, military, or corporate titles. Often part of compound terms like ポリスオフィサー or チーフオフィサー.
彼は警察のオフィサーです。
He is a police officer.
新しいチーフオフィサーが来月着任する。
The new chief officer will take up the post next month.