Nuncio
An alternate name for consul is ambassador. Both consul and ambassador are titles given to individuals who represent their country's interests in another country.
There have been 12 popes who have taken Pius as their name.
Popes do not elect cardinals, they name them.
I believe you are thinking of an ambassador.
There have been no popes named Jude.
when a King takes another name than his first name (this happens more with Popes) the new name is called a regnal name
There have been six popes named Adrian and six popes named Paul.
The French ambassador is the representative of the French government in another country.
The female equivalent of Ambassador is Ambassadress.
There have been 12 popes named Pius.
We call a representative to a foreign country an ambassador.
A Nuncio is an ambassador for the Vatican.