One entrusted with a (small) commission, such as an errand; especially, an attendant or subordinate employee in a public office, hotel, etc.
An undisclosed agent under European civil law.
A uniformed doorman.
In a transportation organization, a person who controls the movements of vehicles.
Any die used for cheating, whether fraudulently weighted or bearing duplicate numbers.
A piece of software responsible for assigning priorities and resources to tasks waiting to be scheduled.