Verb (used with object) : to oppose a resolution in a debate. ,to oppose advantages to disadvantages.    From Dictionary.com. 

Think about it: an African-American and a former civil rights "opposer".    From Wordnik.com.  [Could Webb's Writings On Civil War Hurt Veep Chances?] Reference

NONE of them was a vocal opposer of lawlessleness, war etc.    From Wordnik.com.  [OpEdNews - Diary: Obama lies to me. Why?] Reference

The dissuader and opposer of the agrarian law now began to be popular.    From Wordnik.com.  [The History of Rome, Books 01 to 08] Reference

It is applied to the devil commonly, as the opposer or adversary of man.    From Wordnik.com.  [Barnes New Testament Notes] Reference

Before it took place, he was a violent opposer of any measure tending to abolition.    From Wordnik.com.  [The Anti-Slavery Examiner, Omnibus] Reference

It's almost as though Broon speaks as both the proposer and the opposer of a speech!.    From Wordnik.com.  [The Madness Of King Brown] Reference

Kneggdo =opposer i.e. when the man behaves according to what's right for the Universe.    From Wordnik.com.  [More on Masculinity and Wars: My Review of American Gangster (Spoilers)] Reference

By calling out here and there an eminent opposer, and making him an example to all the world.    From Wordnik.com.  [Of Communion with God the Father, Son and Holy Ghost] Reference

Mais doit-on systématiquement opposer les vins du "Nouveau Monde" à ceux de notre "Vieille Europe"?.    From Wordnik.com.  [French Word-A-Day:] Reference

Mais doit-on systématiquement opposer les vins du "Nouveau Monde" à ceux de notre "Vieille Europe" ?.    From Wordnik.com.  [French Word-A-Day:] Reference

First off I am a strong opposer of affirmative action it does not create equality or equal opportunity.    From Wordnik.com.  [Boardroom Betties « Gender Across Borders] Reference

This President, by his spineless behavior, has turned me from a supporter to an opposer of the Democratic Party.    From Wordnik.com.  [Al Franken's senate shut down] Reference

Once he starts hurting, causing harm, being violent and cheating monetarily, then she becomes a kneggdo =an opposer.    From Wordnik.com.  [More on Masculinity and Wars: My Review of American Gangster (Spoilers)] Reference

Tullus Aufidius will appear well in these wars, his great opposer, Coriolanus, being now in no request of his country.    From Wordnik.com.  [The Tragedy of Coriolanus] Reference

This good man has since become an earnest anti-suffragist and opposer of the movement for the higher education of women.    From Wordnik.com.  [McClure's Magazine, Vol. 6, No. 2, January, 1896] Reference

I never think the terrorists should have more rights than a right winger but you think opposer is “ENERMY COMBATANT”.    From Wordnik.com.  [Think Progress » Unwilling To Investigate Bush Administration, Congress Returns To Clinton] Reference

The rebel team here included Etienne Tshisekedi, nephew of a prominent former opposer of Mobutu's regime, of the same name.    From Wordnik.com.  [ANC Daily News Briefing] Reference

I never think the terrorists should have more rights than a right winger but you think opposer is “ENERMY COMBATANT”.    From Wordnik.com.  [Think Progress » Unwilling To Investigate Bush Administration, Congress Returns To Clinton] Reference

C'est sans doute opposer à l'abolition de l'esclavage tous les obstacles imaginables, c'est se montrer bien ennemi de cette abolition.    From Wordnik.com.  [The Journal of Negro History, Volume 1, January 1916] Reference

Mr.C. declared himself thoroughly convinced of the propriety of immediate emancipation; though he was once a violent opposer of abolition.    From Wordnik.com.  [The Anti-Slavery Examiner, Omnibus] Reference

But he was a brave and steady citizen, and a warm opposer of Gracchus, as appears from an Oration of Gracchus against him: we have likewise some of.    From Wordnik.com.  [Cicero's Brutus or History of Famous Orators; also His Orator, or Accomplished Speaker.] Reference

Bolivian opposer politician may be seeking asylum in Peru.    From Wordnik.com.  [Living in Peru : News] Reference

On this occasion, he was the opposer of lawless ambition.    From Wordnik.com.  [A Modern History, From the Time of Luther to the Fall of Napoleon For the Use of Schools and Colleges] Reference

Devonshire, whose husband in consequence became her bitter opposer.    From Wordnik.com.  [A Narrative of some of the Lord's Dealings with George Müller Written by Himself, Third Part] Reference

She answered, 'Because of that; but 'tis the smallest opposer, that.'.    From Wordnik.com.  [The Shaving of Shagpat; an Arabian entertainment — Complete] Reference

He was the lone opposer of the exclusion of Chinese from Pacific labor unions.    From Wordnik.com.  [Jewschool] Reference

I like Olbermann alot, ever since he became O'Rielly's official media opposer.    From Wordnik.com.  [Safat: The KuwaitBlogs' Aggregator] Reference

No one thinks of opposing his decisions -- that would be fatal to the opposer.    From Wordnik.com.  [Introduction to the History of Religions Handbooks on the History of Religions, Volume IV] Reference

I would a thousand times rather have you a reformer than an opposer of reforms.    From Wordnik.com.  [Bert Lloyd's Boyhood A Story from Nova Scotia] Reference

Truly, Guarico is one of those text books cases on how not to opposer the chavista machine.    From Wordnik.com.  [Venezuela News And Views] Reference

He was no longer a lawless opposer of equally lawless forces, but he was actually resisting the law itself.    From Wordnik.com.  [Cressy] Reference

D---- 's encomiums have rendered my humility still prouder; they are indeed superb, and worthy of an opposer of the German war.    From Wordnik.com.  [Boswell's Correspondence with the Honourable Andrew Erskine, and His Journal of a Tour to Corsica] Reference

If Judge De Willoughby had not been such a blatantly open old opposer of his neighbour's political opinions these people wouldn't have.    From Wordnik.com.  [In Connection with the De Willoughby Claim] Reference