 Western Washington University history professor Edward Kaplan explains Zhou was a " local <unk> " ( <unk> - " heroic ( person ) " ) . He comments Hao can also mean " a ' knight errant ' in poetic translation , or in <unk> terms a professional <unk> and bodyguard . ' " This means Zhou was a local hero from Tangyin County , <unk> prefecture , Henan province ( the same area as Yue Fei ) . 
