I will just mention 2 cents rounds to nothing these days.
“The legislation has always envisaged that generally, strata schemes would be managed by ordinary lot owners for their own benefit. …”
J Bordon: Nulama Village P/L v Owners Strata Plan 61788 (Strata & Community Schemes) [2006] NSWCTTT 550 (25 September 2006)
The idea of running off to the lawyer is just not in keeping with that objective.
Reverse mortgage could be an option but you need to find some way to communicate with her.
And:
Blame the vexatious owner for the OC not keeping up with its s 106 (fire) obligation.
If your building burnt down then that would have been fun with the insurer.
I think you should thank whoever brought the matter to your attention.