There are situations where drupal you want to assign a particular role to a user after he/she has been registered for a period of time. This functionality might be needed for situations where you want a user to get permission to perform a particular task on your site.
Step by step guide on how to create block view with the related content list based on taxonomy terms associated with the current node.
While creating the user's list in views, Views Bulk Operations (VBO) module gives the option to perform 'Block current users' operation but doesn't give any option to perform 'Unblock current user' operation. Here is the code snippet tutorial to add "Unblock users" option in Views Bulk Operations in views.