A fierce advocate of democracy, he returned to Czechoslovakia only to visit family and friends.
He was also a fierce advocate for artists that he admired.
Walker was a fierce advocate of stronger drug laws.
Throughout his life, Rantoul was a fierce advocate for the codification of the common law.
Now he has become a fierce advocate for the "forest people," as Pygmies often prefer to be called.
But these days, she says, her choicest role is as a fierce advocate for the arts, especially in schools.
He was also a fierce advocate of provocative ideas on drugs, education, the draft and other areas of public policy.
Sandy was a fierce advocate of peace, social justice and equal rights for workers throughout the world.
I would also say the parents we have now are fierce advocates.
In parliament, Lamont was a fierce advocate for transparency and accountability of government.