codeholder
nounUK /ˈkəʊdˌhəʊldə/
US /ˈkoʊdˌhoʊldər/
A codeholder is a person who has a special code that lets them use or open something.
The codeholder typed the secret number to unlock the door.
OTHER MEANINGS
2. A person officially registered as the owner of a particular code or identifier.
Only the codeholder can change the registration details.
3. In some systems, a member who holds a personal identification code for a service.
Each codeholder gets a unique number for the club's website.
4. A device or token that stores a code for entry.
The codeholder on the gate beeped when it read the card.