I developed the concept of 'habitus' to incorporate the objective structures of society and the subjective role of agents within it. The habitus is a set of dispositions, reflexes and forms of behaviour people acquire through acting in society. It reflects the different positions people have in society, for example, whether they are brought up in a middle class environment or in a working class suburb. It is part of how society reproduces itself. But there is also change.
Conflict is built into society.
People can find that their expectations and ways of living are suddenly out of step with the new social position they find themselves in. This is happening in France today. Then the question of social agency and political intervention becomes very important. The heart of Marxism is the struggle by the working class for its own emancipation. Seattle brought together organised labour and various single-issue campaigns.