looker

Short definition from Wiktionary

Noun

1. 1
   One that looks or is actively looking; a watcher; an observer.
2. 2
   One having a specific look or appearance.
3. 3
   Someone or something who is remarkably good-looking.
4. 4
   A person who pretends to be interested in purchasing something but has no intention of doing so.

Proper noun

1. 1
   A surname.