Stephen Pollard is an exremist right wing politician who adopts an "Antisemites-under-the-bed'

Ok, so what do left wing Jews say?

"The Jewish Labour Movement (JLM), a formal affiliate, hit out after Jackie Walker was reinstated to the party after saying Jews were the "chief financiers of the slave trade".

The JLM told PoliticsHome: "Walker repeated an anti-Semitic slur. She showed no contrition.

Fresh Labour anti-Semitism row after leading activist re-instated to party
Labour warned anti-Semitism probe must not be 'whitewash'
"The outcome of this process shows, once again, that the political rhetoric of zero tolerance on anti-Semitism is not matched by action. This is why we are proposing changes to party rules."

The group is seeking to change Labour's rules to make it easier to expel and ban members for life if they are found guilty of anti-Semitism."
https://www.politicshome.com/news/uk/political-parties/labour-party/news/75537/exclusive-jewish-labour-movement-hits-out-over

And the Israeli Labour Party,

"Jeremy Corbyn faced fresh criticism over his handling of antisemitism allegations after Labour's sister party in Israel said it had had no reply to a letter its leader sent to him a month ago expressing dismay and inviting him to Jerusalem to see the Yad Vashem Holocaust museum.

Labour MPs said they were shocked that no response had apparently been sent and added that it was further evidence of the party leadership's slow and inadequate response to the crisis."
http://www.theguardian.com/politics/2016/may/28/jeremy-corbyn-failed-reply-israel-left-antisemitism-ken-livingstone