The term 'gatekeeper' is a job title that refers to someone who is responsible for controlling access to a certain area or facility. The crossword solutions for this term are 'PORTER' (6 letters), 'JANITOR' (7 letters), and 'StPeter' (7 letters). A PORTER is someone who carries luggage or other items for people, while a JANITOR is someone who cleans and maintains a building. StPeter is a reference to the biblical figure who is often depicted as the gatekeeper of Heaven.