Apple ID

JordanL88 wrote:

if someone gets a hold of your Apple ID and changes the password and phone number connected, how do I either delete the Apple ID or find a way to reset password so I can have access again?

You'll need Apple's help with this. Start here:

If you think your Apple ID has been compromised - Apple Support

Do they have access to your mail as well?

Resetting an apple ID password requires at least three verification levels.