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