Guaraní people
The Pai Tavytera are also known as the Ava, Caaguá, Caingua, Caiwá, Kaa'wa, Kainguá, Kaiowá, Kaiwá, Kayova, Montese, Paï, Paï-Cayuä, Paï-Tavyterä, Paingua, Pan, and Tavytera people. "Paï-Tavytera" is an arbitrary name given to northern Guaraní people of eastern Paraguay. They are closely related to the Guarani-Kaiowá people of Brazil.