What is "ialibu"

Ialibu is a town in the Southern Highlands Province of Papua New Guinea, serving as the headquarters for the Ialibu-Pangia District. The District Administrator for Ialibu is Mr. Ron Yamuna. He is one of the sons of Ialibu and is from Topopul village. The Ialibu Town Mayor is Mr. Jacob Iki. Mr. Iki hails from Topopul village as well.