Not sure that we understand your request correctly. Anyway, we do not recommend you to share your Purchase details with any other person. To use our support the user needs to have: an account on Envato to be able to download the last theme updates, Purchase code from our template to be able to activate a theme and submit topics.
If you want just to change the email for your account on our website, then, please, let us know.
Hope for your understanding.