My credit card on another person's Apple Pay

It’s also unlikely to happen as the alleged other user must also know your credit card account credentials to authorize connection to wallet

Hello ~ Do you get a card statement? If so it should show the purchases. If you want to remove that card from someone else’s use call the card company and discuss that with them. It may mean cancellation of the card and reissuing you a new one. One that you would not share with anyone else.

~Katana-San~