The term SHADE FOR A LIFEGUARD can be solved by two crossword solutions: TAN (3 letters) and SUNTAN (6 letters). TAN is a noun that refers to a light brown color, usually acquired from exposure to the sun. SUNTAN is a verb that describes the process of acquiring a TAN, which is often done by spending time in the sun. In this context, the term SHADE FOR A LIFEGUARD could refer to the TAN that a LIFEGUARD has acquired from spending time in the sun, or it could refer to the need FOR a LIFEGUARD to seek SHADE in order to protect themselves from the sun's rays.