Log into the system and select the organization (Menu Access management - > select organization via the Filter by name field and click on the row with organization).
Select Members
Search for a user in the Filter by name or Id field.
Click on the row to open the user's profile.
Select the group in the Group membership box and click on the pincil icon for set the Expiration date.
Set the member’s group expiration date, Save it and Close the window.
The member will be removed from the selected group based on the expiration date.