oppugner

plural oppugners

1. Someone who oppugns; an opponent.

   Revenge and Malice were as two violent oppugners on the one ſide, but Honeſty, Religion, Feare of God, with-held him on the other.

   1621, Democritus Junior [pseudonym; Robert Burton], “Of the Will”, in The Anatomy of Melancholy, […], Oxford, Oxfordshire: […] John Lichfield and Iames Short, for Henry Cripps, →OCLC, partition 1, section 1, member 2, subsection 11, page 44

   1 more example

   Dennis, the fiercest oppugner of puns in ancient or modern times, professes himself highly tickled with the “a stick” chiming to “ecclesiastic”.

   1833, Elia [pseudonym; Charles Lamb], “[Popular Fallacies.] VIII. That Verbal Allusions Are Not Wit, Because They Will Not Bear a Translation.”, in The Last Essays of Elia. […], London: Edward Moxon, […], →OCLC, pages 239–240