There are online forums, websites, and social media groups dedicated to ASL and the "Signing Naturally" curriculum. These can be great resources for finding answers, getting explanations from peers or instructors, or even accessing practice materials.
The signer is complaining about a sibling. Signs: signing naturally 4.12 answers
Once you describe the person using role shifting, you return to neutral space to sign your opinion. There are online forums, websites, and social media