Tedious semantic discussion of mandates incoming:
With it being brought up a lot that Jeremy Corbyn has a mandate for his views given he was elected leader, and that this means that his Cabinet should either get with the program or leave the front-bench, I'd like to present a rebuttal based upon a different mandate. The mandate MPs were given at the last election. After all, we live in a country with a parliamentary system, not a presidential one. Thus, people have directly elected their MPs rather than being assigned them. Thus, people have voted for those MPs who they feel best represent them. Thus, MPs are bound by their pledge to the wider electorate to propound their views and to speak for them as best they can. Thus, can those who challenge Corbyn because of their views be seen as, instead of fighting against Corbyn's mandate, speaking based upon the mandate their constituents gave them at the election. One could thus argue there is no hypocrisy in speaking against Corbyn, if they view the mandate they were given at the election by the people who voted for them as more important to them personally than Corbyn's mandate. After all, is this not the basis behind Corbyn's constant rebellion against the leadership during his time on the back bench?
The principle is that, as Corbyn owes it to those who voted for him to represent them, so these MPs owe it to those who elected them to represent them over those (Labour members) who didn't.