A win for ? is a win for ?
 

So now we have 6 and it's finale day.

A win for Ali is a win for Zizu Adamw Blackdagger

A win for Hanah is a win for Ammi Goldheart Swan

A win for Nathan is a win for Vanessa

A win for Emma is a win for Niamh

A win for Marcello is a win for MTVN Locke

And a win for Segun is a win for Cherie

Those are their most vociferous supporters off the top of my head. If you want adding to the OP then post below to confirm your winner.