contradictor

Ridiculing your contradictor is a last resort when you run out of valid argument, I believe.

Bacteria Could Survive in Martian Soil | Universe Today 2009

Investors in defunct rural group Timbercorp's 30-odd olive and almond schemes will find out next week whether administrator KordaMentha will get court backing for a plan to make an application to wind them up, although judge Ross Robson of the Victorian Supreme Court yesterday granted them the right to have a "contradictor" put their case.

WA Business News - Latest News 2009

But it went, he said, just like a decreet in absence, and was lost for want of a contradictor.

Redgauntlet 2008

Or were they reserving themselves to see how far this audacious contradictor would dare to go?

Robur the Conqueror 2003

Starr also thought it wiser to give more credence to the first letter than to the second; that is to say, to the request of such a man as Simon Ford, rather than to the warning of his anonymous contradictor.

The Underground City 2003

Moreover, my amiable contradictor, permit me to submit to you one further observation.

From the Earth to the Moon 2003

“My dear contradictor, you have just put your finger upon the true and only difficulty; nevertheless, I have too good an opinion of the industrial genius of the Americans not to believe that they will succeed in overcoming it.”

From the Earth to the Moon 2003

For, these two things, to be the Son and to be God, are at perfect agreement with each other; but to derive his essence from the Father, and, at the same time, to derive it from no one, are evidently contradictor, and mutually destructive the one of the other.

The Works of James Arminius, Vol. 1 1560-1609 1956

For sometimes contradiction arises on account of the person who speaks, the contradictor refusing to consent with him from lack of that love which unites minds together, and this seems to pertain to discord, which is contrary to charity.

Summa Theologica, Part II-II (Secunda Secundae) Translated by Fathers of the English Dominican Province Aquinas Thomas

The odd halfpenny presumably represents the cost of an evening edition bought by the official contradictor in the exercise of his duties.

Punch, or the London Charivari, Vol. 147, November 4, 1914 Various