Ifemelu’s school sweetheart, who becomes a successful businessman, navigating life as both an illegal immigrant in London and a wealthy man in Lagos.

Ifemelu’s aunt and a doctor, who moves to America with her son after a relationship with a high-ranking official in Nigeria.

The son of Aunty Uju, who grows up in America after moving from Nigeria as a child, and faces challenges regarding cultural identity and assimilation.

An African American professor at Yale and Ifemelu’s boyfriend, who shares an intellectual bond with her, particularly on the topics of race and identity.

Ifemelu’s white, wealthy boyfriend with whom she travels extensively, marked by his charm and privilege that sometimes create disconnects between them.

A single mother and university professor in Nigeria, who supports Obinze in his relationship with Ifemelu and helps him in his journey abroad.

Obinze’s wife, who is devoted to her family and their daughter, valued for her stability and domestic focus.

Obinze’s friend from school, who becomes successful in London and helps Obinze during his time there.

Ifemelu’s childhood friend, biracial, who moves to America and serves as a cultural guide for Ifemelu when she arrives.

Ifemelu's friend from Nigeria who plays a significant role when Ifemelu returns, helping her reconnect with life in Lagos.