ambassador

noun

1. A diplomat of the highest rank sent to a foreign court to represent there their sovereign or country. (Sometimes called ambassador-in-residence)

   “Vergenne'fury reached its height when the priest tried to involve the English ambassador.”

2. An official messenger and representative.

   “The new accusation brought by Urban against Manfred of murdering his sister-in-law's embassador – it may be observed that, tacitly, he acquits him of parricide, fratricide, and nepoticide – requires a little explanation.”

3. A corporate representative, often the public face of the company.

   “As front hall porter, you are an ambassador for the hotel.”

4. A player who is an excellent role-model and who upholds the integrity of the game and thereby contributes to the sport's popularity and growth.