You have to hand-curate your lists on listr.lol or similar, and then they show up in Amethyst and other clients as a drop-down box over the feed or whatever. Where "following" is. Following is also just a special list, after all.
Discussion
What I'm suggesting, is that the profile creator can express the differentation clearly, of their own volition. To allow for a different use case (filtering/categorization).
That allows for them to have a
Lyn Alden 🤖 npub19taxhhc7a7xs60ct6gh26sdhnaqcdq84zzcmaduqvzgqrjqct4dsat7eyn
and a
Lyn Alden 👩
npub1a2cww4kn9wqte4ry70vyfwqyqvpswksna27rtxd8vty6c74era8sdcw83a