At the moment you cannot merge two accounts. Here's what we recommend:
1. Between the accounts, which one do you feel has the least amount of progress regarding profile and referrals? I would recommend deleting the one that has the least amount of progress.
2. Once you decide which account to delete, you can deactivate such account (see the link below on how to deactivate an account). You can also ask your Community Manager to deactivate the duplicate account for you via the link below:
If you need any help with this process, please also reach out to your Community Manager via the link below: