great Confucian scholar
Specifically refers to a highly esteemed scholar of Confucianism, often in historical or traditional contexts.
He is known as a great Confucian scholar of the Edo period.
great scholar; person of great erudition
A broader, more general sense referring to any highly learned person, not limited to Confucianism. Less common than the specific Confucian meaning.
He was acclaimed as the greatest scholar of his time.