How to make a user active/inactive?

Go to the Profile page, You may find the “Users” option on the left-hand side menu.
Click on the “Users” option. You may find the users/admins list. Click on the “Edit” icon on the right end of the list.

act_inactve

There you can edit the status of the users as “Active” or “Inactive” and click on the “Save” option.