This is a summary of a text about Human Resource Management (HRM) in the context of Mainfreight Limited, a logistics corporation in New Zealand. HRM is an integrated approach that includes various policies, practices, and management systems to help organizations achieve their goals through effective staffing and employee development. The report outlines the roles of HRM in Mainfreight, including strategic partner, employee champion, and change agent. The strategic partner role involves identifying and building organizational architecture, auditing and renovating the firm's architecture, and managing the workforce. The employee champion role involves acquiring, maintaining, and training employees, as well as enhancing employee morale. The change agent role involves introducing and managing change within the organization.