Jeremy Corbyn and Labour have been trailing behind in the polls
Just a few years ago, the Labour leader was an outsider at Labour who voted against the party line in more than 500 cases.
He also fought many struggles not just against his own party, but also against war, nuclear weapons and social cuts – becoming a well known face on the protest circuit.
And none of this seemed to prevent his success, after he was elected Labour leader in September 2015 causing the party to immediately gain hundreds of thousands of new members.
But for policy professor Diana Panke, from the University of Freiburg, Mr Corbyn’s success will likely end there – despite closing the Tory lead in the polls.
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Support for Mr Corbyn's British policies on social care have surged
The politics expert accused the veteran politician, who turned 68 this week, of making it unclear what Labour was standing for.
And in a scathing attack. she said: "Corbyn does not care about the topics that voters care about.
“He does not have any convincing answers to the high unemployment rate and the lack of prospects for many."
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Jeremy Corbyn during a visit to Hackney Marshes Football Pitches, to highlight Labour's manifesto commitment to ensure 5% of the Premier League's television rights income is diverted to the grassroots game, during a General Election campaign
[Jeremy] Corbyn does not care about the topics that voters care about.
Professor Diana Panke
The party recently outlined its manifesto pledges, including the nationalisation of railways and upping the minimum wage, but Ms Pankes believes it does not appeal to traditional Labour voters.
However a series of polls from ComRes, tweeted by Britain Elects, seem to show a different story.
Asked who has “the best policies for people like me and my family”, Mr Corbyn and Labour won the toss with 42 per cent compared to Theresa May’s 37 per cent.
Jeremy Corbyn vowed to nationalise railways and up the minimum wage
And 43 per cent of voters surveyed said the Labour leader was most likely to protect the interests of the older generation who are dependent on social care – compared to Mrs May on 20 per cent.
While 41 per cent said he was more likely to look after the interests of hard working families, while only 28 per cent said the same about Mrs May.
However only a third of voters said Mr Corbyn would make a better PM, with 51 per cent backing Theresa May.
Corbyn has been accused of not representing Labour voters
The comments comes as another General Election poll has shown the Conservative lead over Labour is continuing to shrink as the June 8 vote approaches.
The Opinium poll for The Observer put Theresa May's party 10 points ahead on 45 per cent, with Labour on 35 per cent, Liberal Democrats on seven per cent and Ukip on five per cent.
The Tory advantage was cut by three points compared with a similar poll the previous week.