Effia is a character from the novel "Homegoing" by Yaa Gyasi. She is the daughter of a tribal chief in Ghana and represents the first generation in a family saga that spans several centuries. Effia's life is marked by her marriage to a British slave trader, which places her in a position of privilege while her half-sister, Esi, is enslaved and sold in America. The story of Effia explores themes of identity, heritage, and the impact of colonialism. Her experiences reflect the complexities of African history and the consequences of the transatlantic slave trade, highlighting the stark differences between her life and that of her sister.