a diplomat

A group of people (including diplomats) from one nation present in another as authorized representatives of the first, a foreign mission.

Diplomatic intercourse between nations, including the mutual presence of diplomatic missions.

plural of diplomatist

(idiomatic) The pursuit of foreign policy objectives with the aid of conspicuous displays of military power.

(US) A diplomatic bag.

A container with letters etc from representatives of a given country to another country, which has immunity from examination by customs officials.

In a diplomatic manner. / (domain) From the perspective of diplomacy

A professional who has earned a diploma.

(transitive) To award a diploma to.