You can't. You should reach out to the mods/admins on the other instance.
You can compare it with e-mail.
When you get an angry mail from company B while you work at company A, there's not much somebody at company A can do about it, except blocking the mails from company B.
If it's a very problematic instance the admins can choose to block federation between their instance and the other instance.
You can't. You should reach out to the mods/admins on the other instance.
You can compare it with e-mail.
When you get an angry mail from company B while you work at company A, there's not much somebody at company A can do about it, except blocking the mails from company B.
If it's a very problematic instance the admins can choose to block federation between their instance and the other instance.