How do I reactivate my iCloud and App Store account

If your apple ID has been disabled follow these steps:

If your Apple ID is locked or disabled - Apple Support

If your account is disabled in iTunes you will need to contact apple to be able to unlock it.

More info in this article:

If you see a message that says 'Your account has been disabled in the App Store and iTunes' - Apple Support

Use the link in the article to contact apple or:

Contact Apple for support and service - Apple Support

Good luck!