a scopophiliac, 1900, from French voyeur (1898), literally "one who views or inspects," from voir "to view," from Latin videre "to see" (see vision).
voyeur voy·eur (voi-yûr')
n.
A person who derives sexual gratification from observing the naked bodies or sexual acts of others, especially from a secret vantage point.
An obsessive observer of sordid or sensational subjects.