Why did the Negro servant leave the and never return in A Rose for Emily?

In "A Rose for Emily," the Negro servant likely left and never returned because he was scared off by the discovery of Homer Barron's corpse in Emily's house. The servant may have been aware of Emily's dark secrets and wanted to distance himself from any involvement in the crime. Additionally, the servant may have felt uncomfortable staying in a house with such a disturbing and unsettling past.