It is best not to make sweeping statements about all peoples within these areas, what time or resources or interests they may have or not. And please be aware that a lot of quality work already occurs in many of these places; it is just not at the same rate as the US.
I leave development of the iNaturalist Network to iNaturalist, but I can tell you that it is growing and it is worth exploring the individual organizations within the countries themselves. You note that you have a lot of free time; perhaps you could begin by finding one and volunteering to work alongside, remotely if needed.
I did not say this. What I said was in response to this:
I said:
Because there is no guarantee of undiscovered species.
Discussed recently elsewhere and summed up well: