The phrase "Ezi umunne" in Echiche language means "the firstborn in a family or community." It is an important and highly respected position in Igbo culture. The firstborn is often considered the head of the family, responsible for leading and providing for their younger siblings and other family members. Therefore, the option that best describes the meaning of "Ezi umunne" is "ezi ụmụnne dị nnukwu mkpa," which means "the firstborn is highly esteemed."