Is your issue somebody profiting from including the work in a collection? If so non-commercial might achieve your aims. Just add a note that people can reach out to you directly for commercial use.
CC BY-NC-SA 4.0
Creative Commons Attribution-NonCommercial-ShareAlike 4.0
Doesn’t Lemmy support cross posting?
I considered implementing Lemmy comments and theorised I’d post to my own community/instance so I had full moderation control, then cross post that to all the relevant communities.