Complex sentence: The Kamwe people and language are sometimes called Higi which elders in Kamwe land have said is a derogatory name given to the Kamwe people by their nearest kith the Margi, that literally means "grasshopper".
Split into simpler sentences: The Kamwe people and language are sometimes called Higi (Higgi). Kamwe elders say this is a derogatory name, given to the Kamwe by their relatives the Margi, that literally means "grasshopper".