wallpaperer

As a verb wallpapered

is (wallpaper).

As a noun wallpaperer is

one who hangs wallpaper.

Paperer is a synonym of wallpaperer.

As nouns the difference between paperer and wallpaperer

is that paperer is agent noun of the verb, to paper; a person who hangs wallpaper while wallpaperer is one who hangs wallpaper.

Decorator is a hypernym of wallpaperer.

As nouns the difference between decorator and wallpaperer

is that decorator is the decorator pattern while wallpaperer is one who hangs wallpaper.

As nouns the difference between wallpaper and wallpaperer

is that wallpaper is decorative paper-like material used to cover the inner walls of buildings while wallpaperer is one who hangs wallpaper.

As a verb wallpaper

is to cover (a wall, a room, etc) with wallpaper.