Organization Administrator and Organization Owner
  In Liferay, we can assign the users to the Organization and can assign the Organization role to the users.   There are 3 types of organization roles .       After assigning the role ,  If we want to fetch the users who has the Organization administartor.   Below is the code.   long orgId = ParamUtil.getLong(request, "organizationId");  List<User> users = OrganizationUtil.getUsers(orgId);  Group organizationGroup = OrganizationLocalServiceUtil.getOrganization(orgId).getGroup();    for(User user: users){      long organizationGroupId = organizationGroup.getGroupId();         if (UserGroupRoleLocalServiceUtil.hasUserGroupRole(             user.getUserId(), organizationGroupId,              RoleConstants.ORGANIZATION_ADMINISTRATOR)) {                    System.out.println("User is: "+ user);                              ...