a person who takes part in an affray or disturbance
affrayer in American English
(əˈfreiər)
noun
a person who engages in an affray; brawler
Word origin
[1545–55; affray + -er1]This word is first recorded in the period 1545–55. Other words that entered Englishat around the same time include: articulate, fusion, insurance, inversion, rounding-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)