proxenos
/ˈprɒksɪnoʊs/Definitions
1. noun
In ancient Greece, a proxenos was a citizen of a city who acted as a representative and protector of foreigners, especially those from other cities.
“The proxenos of the city was responsible for guiding the foreign ambassadors through the complex diplomatic process.”
2. noun
A person who acts as a host or representative for another person, often in a formal or official capacity.
“She served as the proxenos for the visiting diplomat, introducing him to key officials in the government.”