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.
Someone (traditionally a woman) employed to look after the home, typically by managing domestic servants or superintending household management; also someone with equivalent duties in a hotel, institution etc.
Someone who manages the running of a home, traditionally the female head of the household.