cardholder
/ˈkɑrdˌhəʊldər/Definitions
1. noun
A person who holds a credit or debit card, especially in a financial institution.
“The bank employee checked the cardholder’s identification before handing over the new card.”
2. noun
A person who holds a card or card key, especially for access to a building or system.
“The security guard checked the cardholder’s ID before letting them into the restricted area.”
3. noun
A device or holder for a card, especially a credit or debit card.
“The cash machine had a cardholder where you could insert your card for payment.”