COMMISSIONAIRE n.
commission, as an errand; esp., an attendant or subordinate employee in a public office, hotel, or the like. The commissionaire familiar to European travelers performs miscellaneous services as a light porter, messenger, solicitor for hotels, etc.
ELEVATOR n.
A cage or platform and the hoisting machinery in a hotel, warehouse, mine, etc., for conveying persons, goods, etc., to or from different floors or levels; -- called in England a lift; the cage or platform itself.