The word is French. The Greek word for Diplomat was proxenos (πρόξενος). It has Greek origin as it originates from word diplono (διπλώνω means to fold) because diplomats always gave their credententials folded.
Diplomacy / Diplomat
But you don't know it
The word “demagogue” comes from the Greek words “demos” (people) and “agogos” (leading or driving). It originally referred to a leader who was skilled in the art of oratory and who used their rhetorical abilities to sway the opinions and emotions of the people. The term was first used in ancient Greece and Rome, where democracy was a common form of government and public speaking was highly valued.
Trace xenophobia’s shift from ancient Greek hospitality (philoxenia) to modern fear and prejudice against foreigners
Delve into the concept of an autocrat, a ruler with absolute power, and understand the dynamics of autocratic leadership.