Is it illegal for someone to use your card WITH consentWatch
But you will be finacially liable for all the purchases and other credit card related activity of those that you authorise to use the credit card or disclose your pin to.
If you were letting a friend use your card to buy something for you when they go to the shop then no.
But if you’re letting someone else move money into and/or then out of your account. Yup you’re culpable. Especially if they offered ££ for letting them do it.
This is how people get markers on their credit file and have accounts shut down. Worse if it was bigger amounts, then the police can get involved.