A diplomat is a person who is appointed by a government to represent it in foreign countries. A NUNCIO is a diplomat of the highest rank, usually sent as an AMBASSADOR or papal LEGATE. A MODERATOR is someone who facilitates discussion and helps to resolve disputes. A CONCILIATOR is someone who works to bring about agreement between two parties. A PEACEMAKER is someone who works to end conflicts and promote peace. A POLITICIAN is someone who is involved in politics, especially at a high level. A LEGATE is a diplomatic REPRESENTATIVE or ENVOY. An AGENT is someone who acts on behalf of another person or organization. A NEGOTIATOR is someone who works to reach an agreement between two parties. A MEDIATOR is someone who works to settle disputes between two parties. A REPRESENTATIVE is someone who speaks or acts on behalf of another person or organization. An AMBASSADOR is a diplomat of the highest rank, sent to represent a country in another country. An EMISSARY is a messenger or REPRESENTATIVE sent on a mission. An ATTACHE is a diplomat assigned to a particular area of responsibility. An ENVOY is a messenger or REPRESENTATIVE sent on a mission. A CONSUL is a diplomat appointed by a government to represent it in a foreign country. An envoi is a message or communication sent from one person to another. A MINISTER is a diplomat of high rank, sent to represent a country in another country. A plenipotentiary is a diplomat with full authority to represent a government in negotiations.