Its not perfect. Im still new to it but have a go. Have you got a community ot two you would like to create?

Yunohost supports Lemmy https://apps.yunohost.org/app/lemmy

Might not be the answer you are looking for but I use Friendica - So I can pull in content from RSS/Atom as well as ActivityPub feeds. I sort of separage into Channels and Groups news related stuff seperate from actual people. I then use a number of different ActivtiyPub apps like Fedilab, Racoon to access my Friendica account