He was not kicked out for anything other than opposing US/Israeli Zionism. He represents the 99.5% of people in the UK who are not Jewish. The Labour Party no longer does.
If you think that 0.5% of the UK population can hold the 99.5% to ransom, you cannot complain when people do to you what Israeli Zionazis have already done to 100,000+ Palestinians.
The vast majority of European Jews are not semites, so antisemitism does not refer to actions against them in any way. It does, however, refer to the actions of European Jews who migrated to Israel and who are now murdering the Palestinian peoples, who ARE semites.