Missionary

You may be looking for missionary position.

Billie Ford told Irving Braxiatel that she was a missionary from the Ninth-day Celestials. (AUDIO: The Brimstone Kid)

To explain their disappearance of two years, Ian Chesterton and Barbara Wright claimed to have been missionaries in Africa, (PROSE: Who Killed Kennedy) though this explanation was not readily believed by all. (AUDIO: After the Daleks)