a person who is a fan of punk rock or who dresses in the punk style
punker in American English
(ˈpʌŋkər)
noun
a punk rock musician or a devotee of punk rock or punk styles
Word origin
[punk (rock) + -er1]-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)