A concierge is a person who provides services to guests or residents of an establishment. A PORTER is a person who carries luggage and other items for travelers. A CARETAKER is someone who looks after a property or building, ensuring that it is kept in good condition. A CUSTODIAN is someone who is responsible for the maintenance and upkeep of a building or property. A SUPER is a person who is in charge of a building or complex, and is responsible for its upkeep and maintenance.