Constantin Cavafy.
I suppose Peter Sellers would be the obvious choice to play him, if he wasn't dead now or if Cavafy was more known at the time.
"The Greek language was forgotten by the Poseidonians as they mingled for so many centuries
with Tyrrhenians, and Latins, and other foreigners. The only thing they had left from the forefathers was a Greek festival, with beautiful rites, lyres and flutes, games and wreaths. And they were of the habit, each time the festival was reaching an end, to narrate their old customs, and to speak once again the Greek names, those names that by now only few could understand. And their festival would always end with melancholy. For they recalled that they too had been Greeks -- They came to Italy as colonists; and how had they fallen now, how did they become this, living and speaking barbarically, disastrously displaced from Hellenism."
*Poseidonia was the old, Greek name, replaced with "Paestum" when the city was incorporated into non-Greek dominions.