The desired behaviour is that a user who is set as an admin or moderator in Discourse (discuss.focallocal.org), is recognised as an admin or moderator in our maps and has the following abilities:
To developers wanting to implement the above feature:
fl-maps uses Discourse as a SSO provider through the sylque:accounts-discourse package. This package adds the boolean fields admin and moderator to each user in the Meteor.users collection, as explained here.