Who were the main characters of a chip of glass ruby?

The main characters of "A Chip of Glass Ruby" by Nadine Gordimer are the narrator— a young South African man fascinated by the story of a Burmese immigrant named Muniamma, and Muniamma herself—a Burmese woman who becomes the narrator's housekeeper in Johannesburg. Their evolving relationship explores themes of identity, belonging, and cultural exchange.