den mother

Noun den mother has 2 senses

• den mother(n = noun.person) - someone who plays the role of a den mother; "he serves as den mother to all the freshmen in this dormitory"; "she's the den mother to new secretaries"
is a kind of supervisor

• den mother(n = noun.person) - a woman who supervises a den of Cub Scouts;
is a kind of chaperon, chaperone