On Web:
From an individual conversation, click on Details in the upper right-hand corner to access their contact details to Unsubscribe, Report, or Block a community member.
From the Communities tab > All Members, find the member's name, click on on their name, and Unsubscribe, Report, or Block from the right side panel.
On Mobile:
From an individual conversation in your inbox, tap the member's initials at the top of the page. Scroll to the bottom of their contact details to either Unsubscribe, Report, or Block.
From your Members tab, tap on the member you want to remove to access their contact details. Scroll to the bottom of their contact details to either Unsubscribe, Report, or Block.