The history of humanity is often told through the lens of those who refused to be spectators. A "man of action" is characterized by a pragmatic vitalism—a belief that the meaning of life is forged through external struggle and achievement. Whether in the context of political revolution, industrial innovation, or military conquest, this figure stands as a monument to the power of the human will.
Here is an essay outline and draft focusing on the evolution of this archetype. The Architecture of the Will: The Story of a Man of Action
If this is for an Italian literature class, you might want to reference Italo Svevo’s La Coscienza di Zeno , where the protagonist is the "inept" antithesis to the "man of action," providing a sharp contrast.