The document discusses the qualities of a contributor personality. It begins by outlining four key qualities of a contributor's personality: performing work well, achieving goals, being ethical, and demonstrating human concern. It then defines a contributor as someone who proactively takes on work, focuses on achieving goals rather than just routine tasks, and is committed to their role's responsibilities. A contributor executes work well during the crucial last mile. Contributors also act appropriately in any situation. The document contrasts contributors with non-contributors and their qualities, such as having a dynamic identity focused on growth versus a static identity focused on past achievements. It provides examples of how contributors think in terms of enlightened self-interest while non-contributors only consider their own self