The crossword solution for the term 'QUO VADIS ROLE' is Nero, which is a four-letter word. Nero was a Roman Emperor who reigned from 54 to 68 AD. He is best known for his extravagant lifestyle and persecution of Christians. The term 'Quo Vadis Role' refers to Nero's role in the novel Quo Vadis by Henryk Sienkiewicz, which tells the story of a Roman soldier's love for a Christian woman during Nero's reign.