my understanding of the situation is:
Is the caretaker paying from his own pocket to maintain the hall? no
Is the caretaker paying from his own pocket for community usage of the hall? no
Is the caretaker spending time to maintain the community hall? yes
Is caretaker obliged to spend time on community hall? no
Is caretaker free to stop spending time on community hall? yes.
Is caretaker free to raze current hall, build new hall on same ground for new purposes WITH community agreement? YES
Is caretaker free to raze current hall, build new hall on same ground for new purposes WITHOUT community agreement (even if paying all the bill)? NO
Is caretaker free to build another similar hall someplace else? YES
Reasoning of your comment is of someone who is hell bent on staking claims on community resources (like big companies) without having slightest concern of the wishes or well-being of the community. Not sure of the commenter's motive either, given the new account with just two comments, supporting such blatant disregard of basic human decency.