The term 'PART OF A BOARD' can be defined by two crossword solutions: TRUSTEE (7 letters) and OFFICER (7 letters). A TRUSTEE is a person or group of people who are legally responsible for managing the assets of another person or organization. An OFFICER is an individual who is appointed or elected to a position of authority within an organization, such as a business, government agency, or non-profit organization. Both trustees and officers are part of a board, which is a group of people who are responsible for making decisions on behalf of an organization.