I believe you are thinking of an ambassador.
The person is called the representative of that country
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The Ambassador, or Consul
The Ambassador
Ambassador
Diplomat
An "ambassador"
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Ambassador
an advocate
proxy
the person who moves from one country to another to the main occurrence and reason of setting or what the place looks like without viewing any other aspects of the area they will migrate to is generally known as an immigrant or in this case a contour or vagabond
An Ambassador is a senior diplomat who represents her or her country abroad.
He Represents....I Don't Know....
This person would be considered a diplomat
someone who represents his country in another country
Ambassador
An ambassador.
Ambassador.
ambassador
an advocate
An Ambassador.
diplomat
proxy
A person from another country is typically called a foreigner or an international person.
A person who comes from another country is called an immigrant.