a person standing near but not taking part in an event or activity

person who watches

a piece of glass used to look in and see oneself; any polished surface that produces similar effect; something that describes or gives an idea

glass that reflects image

something that reflects heat, light or sound, e.g. a piece of glass for reflecting light on the back of a bicycle

glass that reflects image

a person looking at (a sport, game, show etc)

person who watches event