1) Dictate 2) Domineer 3) Oppress 4) Tyrannise 1) Dictate 2) Govern despotically 3) Grind down 4) Play the dictator 5) Rule a country as a tyrant 6) Rule oppressively 7) Tyrannise 
• (v. i.) To act the tyrant; to exercise arbitrary power; to rule with unjust and oppressive severity; to exercise power others not permitted by law or required by justice, or with a severity not necessary to the ends of justice and government; as, a prince will often tyrannize over his subjects; masters sometimes tyrannize over their servants...
[v] - rule a country as a tyrant 2. [v] - rule or exercise power over (somebody) in a cruel and autocratic manner
tyrannize, tyrannise (British), tyrannizing 1. To exercise power cruelly or unjustly. 2. To rule as a tyrant; have absolute power.