You may have been scammed. But, see your purchase history for the App Store or iTunes Store https://support.apple.com/en-us/HT204088to see if the charge(s) are from Apple. If you think you are owed a refund, see Request a refund for apps or content that you bought from Apple https://support.apple.com/en-us/HT204084.
If the charges are not from Apple, then you probably were scammed.
Is it possible that you gave potentially damaging information to someone? If yes, you'll need to follow up, for example, with a credit card company, Apple, Social Security, your bank, etc.
Is it possible that you gave you Apple ID password to a scammer? If yes, then
Change your Apple ID password https://support.apple.com/en-us/HT201355
Here is What to do after you change your Apple ID or password https://support.apple.com/en-us/HT204071
To be proactive, learn about phishing, scams, and Apple practices, etc., see:
If you see apple.com/bill, itunes.com/bill, or an unfamiliar charge on your statement https://support.apple.com/en-us/HT201382
Identify legitimate emails from the App Store or iTunes Store https://support.apple.com/en-us/HT201679
How to avoid scams when using Apple Pay to send and receive money https://support.apple.com/en-us/HT208226
This scam related information from Apple including reporting scams to Apple see Avoid phishing
emails, fake 'virus' alerts, phony support calls, and other scams https://support.apple.com/en-us/HT204759
While scams and activities that compromise an account are different, learn about/Increase your security for safety. See:
If you think your Apple ID has been compromised https://support.apple.com/en-us/HT204145
Increase the Security of your Apple ID https://support.apple.com/en-us/HT201303
iCloud security overview https://support.apple.com/en-us/HT202303
Ways to keep your information safe on Mac https://support.apple.com/en-gb/guide/mac-help/mh11402/mac
Use Two-factor authentication for Apple ID https://support.apple.com/en-us/HT204915
