You can block a community member on Legiit from communicating with you and also purchasing from you.
To do this, you can navigate to your conversation hub, at this link here: https://legiit.com/messaging/conversations
search the username of the community member you'd like to block, click on the conversation with them, then on the right side of your screen, there will be a block button under their username (pictured below)
For help or questions, please contact help@legiit.com or send us a message by clicking the purple support chat bubble on the bottom right side of your screen.
Thank you for using Legiit to get more stuff done!