パイプ役[paipuyaku] mediator
悪役[akuyaku] villain
一役[ichiyaku] an office
一役[hitoyaku] role (which someone or something plays in a given situation)
下役[shitayaku] underling

仮役[kariyaku] temporary post
加役[kayaku] temporary extra work
監査役[kansayaku] auditor
顔役[kaoyaku] influential man
区役所[kuyakusho] ward office

勧善懲悪[kanzenchouaku] rewarding good and punishing evil
勧善懲悪劇[kanzenchouakugeki] morality play
懲らしめ[korashime] chastisement
懲しめる[korashimeru] to chastise
懲らす[korasu] to chastise

懲りる[koriru] to learn by experience
懲戒[choukai] discipline
懲罰[choubatsu] discipline
懲役[choueki] penal servitude
膺懲[youchou] punishment