noun
police inspector
A specific rank in the Japanese police hierarchy, above assistant inspector (警部補) and below superintendent (警視).
彼は警部に昇進した。
He was promoted to police inspector.
警部が現場に到着した。
The police inspector arrived at the scene.
Compound of 警 (けい, 'police') and 部 (ぶ, 'division' or 'rank'), referring to a specific rank within the police force.