Certainly, tyrants and other powerful men making unwelcome advances or even raping beautiful young men is a trope in classical literature and recorded several times in history. Plutarch's "Life of Cimon" begins with an excellent little ghost story that hinges around a Roman centurion attempting to force himself on a Greek adolescent, and Philip II was (supposedly) assassinated by one Pausanias who was raped by an ally of Philip II, who Philip refused to give justice to.