Verb (used with object) : Debris obstructed the road.    From Dictionary.com. 

The obstructer is then the adequate cause of the injury.    From Wordnik.com.  [Causation in the Law] Reference

Surely it cannot be Mr. Otis's position that no first-offending, non-violent, non-greedy obstructer of justice ought to do jail time.    From Wordnik.com.  [Is That Legal?: The Hypocrisy in William Otis's Argument for a Commutation of Scooter Libby's Sentence] Reference

And after Vikarna's flight, Satruntapa, unable to repress his ire, began to afflict Partha, that obstructer of foes and achiever of super-human feats, by means of a perfect shower of arrows.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 2 Books 4, 5, 6 and 7] Reference

How can you call call upon troops to conduct themselves with honor and integrity when you make lame excuses for the conduct of a convicted perjurer and obstructer of justice like Scooter Libby?.    From Wordnik.com.  [Larry C. Johnson: Bye Bye, Perfect Peter] Reference

Senator Mitch McConnell (R-KY), the obstructer of the earlier climate change legislation, echoed Domenici's crocodile tears about the pain at the pump while ridiculing "those who think we can tax our way out of this problem.".    From Wordnik.com.  [Janet Ritz: Republicans Block Oil Windfall Tax] Reference

As the obstructer of his designs, Wiatte waylaid and assaulted Clithero.    From Wordnik.com.  [Edgar Huntly or, Memoirs of a Sleep-Walker] Reference

Inquiry developed the fact that the boundaries of Nate's land did not include the salt lick, and his talents as an obstructer were not called into play.    From Wordnik.com.  [Down the Ravine] Reference

The debate over whether the openness of Web technology should extend to video, now paints Google in a new but familiar guise: an obstructer of progress.    From Wordnik.com.  [Betanews] Reference

When President Clinton nominates Sarokin to the Third Circuit in 1994, Senator Patrick Leahy-the lead obstructer of President George W. Bush's judicial nominees-displays his usual denial of reality as he lauds Sarokin as "a judge of proven competence, temperament, and fairness" and "an excellent choice.".    From Wordnik.com.  [Bench Memos] Reference

Without deigning any reply, Lord Ulswater spurred his horse; the spirited animal bounded forward almost on the very person of the obstructer of the path; with uncommon agility Wolfe drew aside from the danger, seized with a powerful grasp the bridle, and abruptly arresting the horse backed it fearfully towards the descent.    From Wordnik.com.  [The Disowned — Complete] Reference

765 Vritra, “the coverer, hider, obstructer (of rain)” is the name of the Vedic personification of an imaginary malignant influence or demon of darkness and drought supposed to take possession of the clouds, causing them to obstruct the clearness of the sky and keep back the waters.    From Wordnik.com.  [Ramayana. English] Reference

And why is not "indiered," as good as 'endeared,'"pregedic," as 'prejudice,'"obstrucktter" as 'obstructer,'"pascheges," and.    From Wordnik.com.  [Sabbath in Puritan New England] Reference

Agents in ctor are 36, those in cter are detracter, protracter, exacter, perfecter, neglecter, expecter, directer, detecter, contradicter, afflicter, indicter, obstructer.    From Wordnik.com.  [The Scholar's Spelling Assistant; Wherein the Words Are Arranged on an Improved Plan, According to Their Respective Principles of Accentuation. In a Manner Calculated to Familiarize the Art of Spelling and Pronunciation, to Remove Difficulties, and to Facilitate General Improvement Intended for the Use of Schools and Private Tuition] Reference