I noticed the article today.

I'm sorry it took me so long to reply.
You're in a tough situation.
Persistent followers are only harmful!
You have a lot of boxes in your market, so I'm sure she'll be frequenting them to see what treasures you might have.
Please listen to my experience.
It happened a long time ago, but after I moved to a new region, I was persistently followed by someone who had been on the same team in the past.
I asked support to remove her, but she immediately followed me again.
She bought all the cheap goods and finally started to take dead trees.
(This led me to sell only rye.)
I joined her community and asked her to remove me as a follower, but she refused, saying she respects kitty's farm.
But it was just a nuisance for me.
Anyway, I asked her not to take the dead trees and I left the area.
Later, she bought materials for expansion at my market and I got mad and expressed my rejection by making letters out of corn and rye in the field.
Day 1 was "NO 〇〇" (I put her name in 〇〇)
Day 2: "NO Follow".
Then I demanded to the support center to do something so that she would never follow me again.
And so she finally stopped coming.

I don't know if the corn message was effective or if the support made sure she couldn't register again, but I finally found peace!
ねこネコ猫