What is the main conflict in In the Castle of My Skin by George Lamming?

The novel chronicles the changes that sweep over the island of Barbados within the nine years the novel encompasses. The changes occur when Mr. Slime, one of the schoolteachers, rises to political power. Instead of initiating positive social change, as he promises, the power corrupts Mr. Slime and he reneges on his promise to make the village people of Barbados landowners.