An emperor or a ruler, particularly in historical contexts.

A term of respect or endearment for a person of status or influence.

आदर या स्नेह का शब्द

English Usage: He was referred to as the kayser of the community for his leadership.

Hindi Usage: उसे अपने नेतृत्व के लिए समुदाय का कायसर कहा जाता था।