dictator
US /ˈdɪk.teɪ.t̬ɚ/
UK /ˈdɪk.teɪ.t̬ɚ/

1.
dictador
a ruler with total power over a country, typically one who has obtained power by force
:
•
The country was ruled by a ruthless dictator for decades.
El país fue gobernado por un dictador despiadado durante décadas.
•
The people rose up against the oppressive dictator.
El pueblo se levantó contra el dictador opresor.