disciplinarian

1. N-COUNT If you describe someone as a disciplinarian, you mean that they believe in making people obey strict rules of behaviour and in punishing severely anyone who disobeys. 信奉及執(zhí)行嚴(yán)格紀(jì)律者

He has a reputation for being a strict disciplinarian. 他有嚴(yán)格紀(jì)律執(zhí)行者的名聲。