//a dangerous, two-faced hypocrite....//
quite possibly. but he's a two faced hypocrite that commands overwhelming support from his party membership, and has presided over a growth in membership unparallelled in modern times, with over 100,000 added since the EU referendum.
http://www.theguardian.com/politics/2016/jul/08/jeremy-corbyn-stands-defiant-after-labour-membership-surge
his parliamentary party are less than enthusiastic but after Mr Corbyn is re-elected leader, they'll have a simple choice - hail to the chief, or face deselection. i have a fair idea which choice most will make, which will show them up to be as two-faced as the leader they purport to despise.
does party support transfer into general election votes? well, in labour stronghold constituencies, the voters would vote for a goat if it was wearing a red rosette. in the marginals though, the level of support might depend on dissatisfaction with theresa may. too many stories like this might swing it for Jeremy....
http://www.bbc.co.uk/news/health-37186455