The Ohalavaru are a Bajoran religious group whose name translates as "Ohalu truthseekers". It was given to those members of the Bajoran faith who believed in the Ohalu texts which were considered heretical by others. (DS9 novel: Unity)
In 2376, Vedek Solis Tendren was the leader of the Ohalavaru movement and his supporters were pushing for him to run for the position of Kai against Vedek Yevir Linjarin. (DS9 - Mission Gamma novel: Cathedral)
In 2380, extremist members of the Ohalavaru who were led by Rejias Norvan and Vendora Ani occupied Endalla, believing it was where evidence would be found to support Ohalu's belief that the Prophets were not gods to the Bajorans but just another race. The group were stopped, but other Ohalavaru tried again in 2385. (DS9 novels: Original Sin, Sacraments of Fire)