chaperon
Definition
A person, often an adult, who accompanies and supervises younger people, especially on social outings.
हिन्दी ek vyakti, aamtaur par ek bade vyakti, jo chhote vyaktiyon ko samay par chalakar aur niyantrit karta hai, vishesh roop se social outing ke dauran
Example
"Her mother acted as a chaperon at the school dance."