What would you call it?

There is something degrading about this:

It was the strongest endorsement of her premiership yet. Unfortunately for Theresa May, however, it did not come from any of the cabinet ministers at the Conservatives’ Black and White ball fundraiser on Tuesday night, but from a party donor who paid £55,000 to spend the day with her.

It proved the most attractive lot at the event’s silent auction, held in the Natural History Museum’s central hall, which was floodlit in Tory blue for the occasion.

How does one describe a woman willing to spend time with a rich businessman in return for money?