Yes, you can use your credit card to book a flight for someone else.
Yes, you typically need the credit card you used to book your flight for verification purposes at the airport or when checking in online.
If someone has used your credit card to book a hotel without your permission, it is considered credit card fraud.
Airlines typically charge your credit card for flight bookings at the time of purchase or shortly after.
No, you can not give credit that you have to someone else. You can loan someone money or your credit card, but you are still responsible for paying the credit card company back.
No, unless you hack someone
Yes I believe you can report credit card fraud if you know someone who has someone elses credit card, if let's say one of your friends or family member got there credit card stolen and you also know the person who stole the credit card you can report a credit card fraud or you can just let your friend or family member report fraud on there credit card, I hope this helps :).
If they have a credit card facility yes
Yes, you can pay someone on Venmo using a credit card.
Yes. My Grandma has purchased one for my mother and I once when we missed our flight.
No, only the cardholder can activate a credit card.
No, it is not safe or legal to let someone else use your credit card.
No, I have never accidentally used someone else's credit card.