viewer

noun
B1
OPAL
1
B1
a person watching television or a video on the internet
بیننده, تماشاگر, بیننده تلویزیون, تماشاچی
2
a person who looks at or considers something
بیننده, مشاهده‌گر, نگرنده
Some of her art is intended to shock the viewer.
Many informed viewers of the current political scene are becoming critical of the government.
3
a device for looking at slides(= photographs on special film), for example a small box with a light in it
اسلایدبین, دستگاه نمایش اسلاید