4 ideas
He finds the house derelict and the surviving Afrikaners living as a watched, powerless minority, holding onto church gatherings, family rituals and talk of the past. His hope of belonging collapses: to the locals he is an outsider, and when their quiet resistance draws arrests by the new authorities, he leaves.
A homeland passed down through a parent's memories is a curated fiction. It keeps the landscape and the feeling and drops the politics and the decay. The heir who tries to come home is loyal to a place that no longer exists, and the real place registers to him as a betrayal.
When a dominant group loses power, it tends to retreat into ceremony, remembered grievance and symbolic defiance rather than adapt. Performing continuity becomes a substitute for agency.
Imagine the former rulers as the watched and policed minority, and apply the same machinery of control to them. Readers who took their own dominance for granted then feel, from the inside, the dispossession they once imposed. The inversion turns an abstract injustice into felt experience.