This allows a person of any race to teach a Diplomat that is level 40 or higher their language. Any person of a certain race can teach a diplomat their language, but it must be done within a certain time limit, with 4 lessons each. The diplomat must wait at least 6 hours of _their player age_ before getting a new lesson, but no more than one day. This is not mud or RL time, but the player's age (online time).
Once a diplomat has learned a language, they are able to use their connections with that race's embassy staff on Coruscant to hire bodyguards of that race.