ご苦労様[gokurousama] thank you very much for your ...
御苦労さん[gokurousan] I appreciate your efforts
苦力[kuurii] coolie
悪戦苦闘[akusenkutou] hard fighting
気苦労[kigurou] worry

夜露死苦[yoroshiku] well
狭苦しい[semakurushii] cramped
勤苦[kinku] toil and hardship
苦い[nigai] bitter
苦しい[kurushii] painful

引責[inseki] taking responsibility
引責辞任[insekijinin] taking responsibility upon oneself (and resigning)
勘責[kanseki] reproving for a fault
共同責任[kyoudousekinin] joint responsibility
最高経営責任者[saikoukeieisekininsha] chief executive officer

最高財務責任者[saikouzaimusekininsha] chief financial officer
自責[jiseki] self-condemnation
自動車損害賠償責任保険[jidoushasongaibaishousekininhoken] mandatory vehicle liability insurance
自賠責保険[jibaisekihoken] mandatory vehicle liability insurance
叱責[shisseki] reprimand