A person employed, especially by a social services department, to perform household chores and provide aid to a patient or infirm person in the latter's own home; a carer.
The aid provided by such people.
A person who performs labor for a living, especially manual labor.
A nonreproductive social insect, such as ant, bee, termite, or wasp.
A female ant, bee, termite or wasp.
A thread performing one instance of a particular task within a program.