Han dynasty Confucian scholar
Specifically refers to Confucian scholars of the Han dynasty period in China.
The interpretations of Han dynasty Confucian scholars greatly influenced later Confucianism.
Chinese Confucian scholar; Japanese Confucianist; Japanese sinologist
Broader term that can refer to Chinese Confucian scholars in general, or to Japanese scholars of Confucianism or Chinese classics.
Many Japanese Confucianists were active during the Edo period.