@Peter1 There is a thread on this community centre where many hosts have used their vouchers to book accommodation in Ukraine. There are also some lovely responses from the Ukranian hosts on there.
What else can we do?
@Helen3 Suggested that Airbnb could cut their service fee to zero for Ukranian hosts. Perhaps as a HAB member you could ask them to do this
We can publicise what hosts are doing - Do you have any contacts in the media?
Finally, as suggested in the original thread, this does not need to be limited to Superhosts. Anyone can use their money to book a stay in Ukraine. Sadly, at present, Airbnb would take 20% of this gesture but that is probably no worse (actually could be better) than using other charitable methods.
For me the hosts responses suggest that the fact people are thinking about them is just as important as the financial side of these actions.
If anyone actually capable of using a computer could add a link from the original thread into this response it would be appreciated!