Do not forget that we are an online community..
You guys could've sorted that member's concern
amicably from the beginning, without naming and shaming him for the same..
How hard was it to show a copy of your Bank Statement, where a line item says 30k

, possibly editing the sender's details for privacy reasons but leaving the reference field which should read "donation" etc.?
Besides what's the meaning of you guys going to give cash to the sick member, when all you need to do is just transfer the cumulative deposit amount to his bank account and inform everyone else for transparency purpose..?