LEARNit Dictionary
potentate
noun
/ˈpəʊtnteɪt/
UK
/ˈpəʊtnteɪt/
US
1
a political leader who has a lot of power, especially when this is not limited by a parliament, etc.
فرمانروا, حاکم, سلطان, پادشاه, امپراتور, شهریار, زمامدار