Being one of the frequently used concepts in the Marxist literature, “opportunism” literally means practice of seeking opportunities. We know that opportunistic attitudes constitute a very widespread tendency which we particularly face in capitalist society in various fields of life and in various forms. As for the political struggle, the term opportunism means the kind of a persistent self seeking politics without any regard for principles which can be observed in all political structures from bourgeois parties to the leftist organizations. Because of their class nature, bourgeois...