I want to delete this Adobe account as a hacker has control of my account.

What makes you think a hacker has access to your Adobe Account? What evidence do you have for it?

Early cancellation of a 12 month paid subscription could incur a 50% early termination fee.  See links below.

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How do I Cancel my Subscription?
https://helpx.adobe.com/manage-account/using/cancel-subscription.html
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Subscription & Cancellation Terms:
https://www.adobe.com/legal/subscription-terms.html

CONTACT ADOBE SUPPORT:
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Online Chat: https://helpx.adobe.com/contact.html?rghtup=autoOpen
Twitter: https://twitter.com/adobecare

in the future, to find the best place to post your message, use the list here, https://community.adobe.com/

p.s. i don't think the adobe website, and forums in particular, are easy to navigate, so don't spend a lot of time searching that forum list. do your best and we'll move the post (like this one has already been moved) if it helps you get responses.

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https://helpx.adobe.com/manage-account/using/delete-adobe-account.html#:~:text=Delete%20Adobe%20Account%201%20Make%20a%20local%20copy,Then%20click%20Confirm%20delete%20account%20.%20See%20More.