You can block a user on Legiit from communicating with you and purchasing from you.
To do this you can click the i Icon within the chat with the user:
Then Select "Block"
Here is a video demonstrating the process of blocking someone and where to find and manage users you have blocked on Legiit:
For help or questions, please contact help@legiit.com or open a support ticket at this link here: https://legiit.freshdesk.com/support/tickets/new
Thank you for using Legiit to get more stuff done!