Diet officer; Diet official; Diet staff member
Refers to a person employed by the National Diet of Japan, including clerical, administrative, and support roles.
Diet staff members assist in deliberating bills.
He has worked as a Diet official for many years.
国会議員 refers to an elected Diet member, while 国会職員 refers to a non-elected staff member working for the Diet.
Compound of 国会 (National Diet) and 職員 (staff member).