Followied seller never gives me user id and pw

How to Report a Dispute
Please fill out all 9 questions below. You must provide proof or your claim cannot be validated.

1. Date Dispute Happened
Example: January 1, 2013

2. Are You The Buyer or Seller
Example: I'm the Buyer

3. Total Transaction Value
Example: $100 USD

4. Other Parties Username
Example: Site Username

5. Method Used To Pay or Receive Payment
Example: PayPal

6. Other Parties Email Addresses
Example: [email protected]

7. Other Parties Payment Email Address
Example: [email protected]

8. Other Parties Messenger Username
Example: bobskik

9. Provide All Chat Logs and Additional Information Below