A childcare worker is someone who provides care and supervision for children. However, there are various synonyms for the word "childcare worker." One such synonym is "daycare provider." This refers to someone who operates a daycare facility that provides care and education to children. Another synonym is "nanny," which is typically used to describe someone who offers in-home care and supervision to children. "Babysitter" is another synonym that is commonly used to describe someone who takes care of children for a short period of time, usually in the evenings or on weekends. Lastly, "childminder" is a British English term used to describe someone who looks after children in their own home.