As soon as you block a user, communication is no longer possible between you and the user. His/her profile will shortly disappear from Search and all other user lists.
- To block a user, navigate to his/her profile.
- Open the options menu on the top right or click the menu button on your cell phone.
- Choose block.
How can I manage blocked users? - https://support.choiceoflove.com/hc/en-us/articles/213663949