Tyrant به انگلیسی
From Longman Dictionary
ty‧rant /ˈtaɪərənt $ ˈtaɪr-/ ●○○ noun
a ruler who has complete power and uses it in a cruel and unfair way
حاکمی که قدرت کامل دارد و از آن به شکلی ظالمانه و ناعادلانه استفاده می کند
someone who has power over other people, and uses it cruelly or unfairly
کسی که بر دیگران قدرت دارد و از آن ظالمانه یا ناعادلانه استفاده می کند
Example
The country had long been ruled by tyrants
My headmaster was a real tyrant
She was a tyrant who had absolutely no tolerance for mistakes
The Romanian tyrant Ceaucescu was overthrown in 1989
When the islanders knew themselves freed from the tyrant it was easy for Perseus to find Danae and Dictys