Nanny

Nannies, sometimes called babysitters or nurse maids, were individuals who took care of children and babies, similar to governesses.

When Donna Noble called Matron Cofelia of the Five-Straighten Classabindi Nursery Fleet an "outer space super-nanny," she seemed content with the title. (TV: Partners in Crime)

Clara Oswald, a companion of the Eleventh Doctor, became a nanny to Angie and Artie Maitland after their mother died. Her job included watching over them when their father wasn't at home, and teaching them. She made Artie read the book Summer Falls. Whist Clara was sleeping, the Doctor once took over her nanny duties. (TV: The Bells of Saint John, The Name of the Doctor)

Mamlaurea was Susan's nanny for most of her time on Gallifrey. (PROSE: Lungbarrow)

Mrs Mantovani was Kazran Sardick's babysitter until age twelve, then the Eleventh Doctor made her win the lottery, and took her place for Christmas. (TV: A Christmas Carol)

After Jackson Lake was, thanks to the Tenth Doctor, reunited with his son Frederick, he appointed Rosita as Frederick's "nurse maid". (TV: The Name of the Doctor)