Numu made the move after he did not get a favourable response from Deputy Prime Minister and Treasurer, Charles Abel, regarding coffee farmers in his province.
In a media conference, the Opposition members welcomed Governor Numu and made a bold statement that many more are joining them.
Governor Numu said his move is for the good of his people and not for his own personal gain.
“I have been observing what has been going on with the current Government and cannot just sit there but will make a move.
“My move to the Opposition was for the good of my people.