"your recommendation to replace him is...??"

I'll kick off with...

A straight talking fairly sweary youngish middle aged working class Left wing Jewish military veteran stand up comedian...

might have a lot of the qualities and charisma needed to win back
working class ex Labour voters from the far right...

..though some of the constituent parts I suggest
might alienate a few potential converts back to labour...

.. and perhaps a few current Labour supporters...???