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In the novel "The Secret River," the portrayal of Indigenous peoples is portrayed as savage, with no recognition of their presence or connection to the land. The author’s concise explanation of negative descriptive language enables the audience to perceive indigenous peoples as an unforgivable outcast, as his acceptance as a human being is likened to that of an insect. According to Post Colonial Theory, the deliberate use of the demonic other in Scabby Bill's depiction is a misrepresentation as it presents dark skin as demonic or otherworldly, which can be unsettling, exemplified by the phrase, "So black his skin swallowed the sunlight." Grenville's contrasting of Scabby Bill with exaggerated races serves to reinforce the audience's perception of him as a powerless figure.