a slip of gummed paper used to paste on or over something; sticker
paster in American English
(ˈpeistər)
noun
1.
a slip of paper gummed on the back, to be pasted on or over something, as over a name on a ballot
2.
a person or thing that pastes
Word origin
[1730–40; paste + -er1]This word is first recorded in the period 1730–40. Other words that entered Englishat around the same time include: escapement, humbug, malaria, maximum, swipe-er is a suffix used in forming nouns designating persons from the object of their occupationor labor (hatter; tiler; tinner; moonshiner), or from their place of origin or abode (Icelander; southerner; villager), or designating either persons or things from some special characteristic or circumstance(six-footer; three-master; teetotaler; fiver; tenner)