An Au Pair is a foreign person who looks after children and does some domestic work for a family in return for room and pocket money and the opportunity to learn the family's language (if non native English).
Au Pairs are NOT required to pay any fees.
What is a Nanny?
A nanny doesn't usually live with the family (unlike an au pair) and provide complete care for the children in the employer's home and perform all tasks that correlate to the care of the children. A nanny creates a safe, nurturing and stimulating environment in which the children can thrive and develop.
Nannies are NOT required to pay any fees.
What is a House Manager?
A household manager will be responsible for a variety of tasks throughout the home: drop off and pick up kids from school, organizing meals for the all family, grocery shopping, organizing after school activities and doctor appointment, doing some household chores (washing, ironing, vaccuming...)