He did not think the National Government was "farmer friendly".
"John Key is business friendly. I don't think he cares about farmers so long as overseas investment funds keep rolling in."
Mr Guest said Fonterra CEO Theo Spierings should slash his $4.18 million annual salary to go with cuts to 1500 co-operative staff announced in the media.
"The wheels are flying off New Zealand dairy farmers' businesses and we need leadership which will bring confidence back into the company."
Fonterra chairman John Wilson and two other Fonterra directors are up for re-election at this year's annual meeting and Mr Guest suggested dairy farmers could send the board a strong message in the poll.
Fonterra Shareholders Council Northern Northland ward representative Terence Brocx, of Okaihau, said the reduction in income from "really good prices" a year ago to today's low returns had been soul destroying for many farmers.
Fonterra could not dictate operation of the world milk market, but was being blamed for the downturn by apathetic farmers who didn't engage with Fonterra. "I'm not prepared to throw away the golden goose. I firmly believe in the co-operative model," he said.