Activism, in a general sense, can be described as involvement in action to bring about change, be it social, political, environmental, or other change. This action is in support of or opposition to one side of a controversial argument.
There are many different forms of activism; a select list follows.
... Denise Bloch[?]
Raoul Boulanger[?]
Mathilde Carre[?]
Peter Churchill
Jacques-Yves Cousteau
Paul Eluard (poet, communist resistance)
Marie Fourcade[?]
André ...