Residents of the affected communities, identified the murdered pastor as Eliud Mshelizza of the Living Faith Church, and a teacher (name withheld) at the Government Girls Secondary School, Shaffa.
According to them, those killed were mostly Christians as the communities were mostly Christian-dominated.
It was gathered that the terrorists also razed down about 10 churches including the E.Y.N No.1, E.Y.N No.2 and three in Shaffa and Shindiffu villages including many houses belonging to Christians.
They were said to have destroyed a clinic, staff quarters and structures at the Government Girls Secondary School in Shaffa.
The attackers, according to fleeing residents, invaded Shaffa at about 8pm on Wednesday before storming the nearby Shindiffu village on Thursday morning at about 11am.
Shaffa is in southern part of Borno State, about 20 kilometres from Azare, the headquarters of Hawul LG Azare is 215 kilometres from Maiduguri, the state capital.
Some of the villages and towns attacked in the area in the last two months include Tashan Alade, Hirzhi, Pela Birni, Debiro, Kwajaffa Bura, Jubwuwhi, Dalwa, Shaffa, and Shindiffu.
During most of the attacks, churches and houses belonging to Christians were targetted by the sect members.
During the latest attack, sources revealed that after the militants had carried out their dastardly act on Shaffa, a detachment of soldiers arrived the village.
Police Public Relations Officer, DSP Gideon Jubrin, who spoke to journalists on the telephone on Thursday, confirmed the attacks on Shaffa and Shindiffu villages.