Panhellenist
/ˌpanˈhɛlɪnɪst/noun
A believer in or advocate of Panhellenism; specifically (in ancient times) a person whose patriotism was related to Greek culture as a whole, rather than to an individual city or state; (in the 19th and early 20th centuries) an advocate of the political union of all Greek-speaking peoples, a Greek irredentist.
adjective
Of or relating to a Panhellenist; characterized by Panhellenism.
Origin
Mid 19th century. From pan- + Hellenist adjective, after Panhellenism.