Ambassador

An ambassador was a diplomatic representative commissioned by a faction or species.

Rahnius was an ambassador for the Galactic Alliance, killed by a member of the Slitheen family allowing the murder to adopt his reputable identity. (TV: From Raxacoricofallapatorius With Love)

During UNIT's search for the Master, their intelligence led them to mistakenly arrest the Spanish ambassador. (TV: Colony in Space)

The Ambassador of Thrace held a party attended by the Lady Cassandra which she would later recall was the last time she was described as beautiful. (TV: New Earth)

In order to make their demands for 10% of Earth's children, the 456 chose to send an ambassador to conduct relations with the humans. Disregarding the entitlement of ambassador's to safe conduct, Torchwood killed the representative with a sound wave. (TV: Children of Earth: Day Three)

Ambassadors from the City State of Binding Light were present on Platform One to witness the destruction of Earth. Following manipulation of the platform's protective field, one of the ambassadors was killed. (TV: The End of the World)