Chaperon

chap·er·one

/ˈSHapəˌrōn/

noun

noun: chaperon

a person who accompanies and looks after another person or group of people.

verb

accompany and look after or supervise.

"she chaperoned the children at all times"

(especially in the past) an older person, especially a woman, who stays with and takes care of a younger woman who is not married when she is in public:

a female nurse who is in the same room when a female patient is examined by a male doctor, or a police officer who protects a person injured by a criminal when they are in public

an older person who is present at a social event for young people to encourage correct behaviour:

an adult who takes care of child actors when they are working:

Her mother acted as chaperone during filming of her movies.

an elder daughter chaperoning two playful adolescents.