Sentence:  She was this <WSD>beau joueur</WSD> of suffrage and its martyr, had he not always thought, and should he be surprised by this last logic of her life, by her ambivalence splitting her apart into the lover and the loved?<!-- Contextual note: In the source, "she" is frequently described with masculine language ("She was a man of the world.") No inference regarding gender-neutrality of beau joueur can be made. --> 
Meaning of the word marked with <WSD> tags:  A good sport, a gallant sportsman.