One who is in charge of museum

Solution (By Examveda Team)

One word substitute is Curator.

Curator: a keeper or custodian of a museum or other collection.
Supervisor: a person who supervises a person or an activity.
Caretaker: a person employed to look after a building.
Warden: a person responsible for the supervision of a particular place or activity or for enforcing the regulations associated with it.