Answer: chaperone

AnswerCrossword Clue
CHAPERONEParent at the prom, say
CHAPERONE"Dating Game" employee
CHAPERONESchool-dance monitor
CHAPERONEOne role for mother.
chaperoneA person who accompanies and looks after another person or group of people
chaperone(French) a person who ensures propriety, esp a married or older woman accompanying a young unmarried woman on social occasions / to act as a chaperone also CHAPERON
chaperoneAn older woman responsible for the decorous behavior of a young unmarried girl at social occasions