Gatekeeper; someone who carries burdens, usually luggage.
Famous Usage
Cole Porter - legendary American composer and songwriter known for 'Kiss Me, Kate' and 'Anything Goes'.
Screen Details
FBI Special Agent Dennis Porter in 'Prison Break'. Dr. Preston Porter in 'House'. Porter Scavo - character from 'Desperate Housewives'. In Disney-Pixar's 'Monsters Inc' - Porter is an employee at Monsters, Inc.
