Stevens has set himself up as a gadfly who persistently challenges his brethren.
From the time.com
Gadfly Kennedy's march to the brink of insurgency has been building for months.
From the newsweek.com
They call the former journalist, author and TV commentator, a political gadfly.
From the edition.cnn.com
He began as a City Hall gadfly, and now represents a suburban council district.
From the latimes.com
As his career flourished modestly, Puttnam became known as an industry gadfly.
From the time.com
Still more improbable is the gathering of support for consumer gadfly RALPH NADER.
From the time.com
Gadfly petrels often feed on the wing, snapping prey without landing on the water.
From the en.wikipedia.org
Is he more than the right-wing gadfly the political punditocracy labeled him?
From the usatoday.com
This is a solitary pelagic gadfly petrel of the open seas of the southwest Pacific.
From the en.wikipedia.org
More examples
Pest: a persistently annoying person
Any of various large flies that annoy livestock
Gadfly is a relational database management system written in Python. Gadfly is a collection of Python modules that provides relational database functionality entirely implemented in Python. It supports a subset of the standard RDBMS Structured Query Language (SQL).
The gadfly, a type of fly plaguing cattle, typically ones belonging to either the family Tabanidae (horse-flies) or the family Oestridae (bot flies), appears in Greek mythology as a tormenter to Io, the heifer maiden. ...
"Gadfly" is a term for people who upset the status quo by posing upsetting or novel questions, or just being an irritant.
The Gadfly is a novel by Ethel Lilian Voynich, published in 1897 (United States, June; Great Britain, September of the same year), set in 1840s Italy under the dominance of Austria, a time of tumultuous revolt and uprisings. ...
The Gadfly is Los Angeles hip-hop group LPG's third album. It was released under UpRok Records, the same record label as Mars ILL and Peace 586. ----
A nickname for a "professional" securityholder who owns stock in various companies, attends annual meetings and asks senior management hard and often embarrassing questions.
WCU's Journal of Social Criticism and Philosophy. Satirical pieces philosophically critiquing society-at-large in a humorous manner. Published once a semester.