The child is named Sam, and he is the son of James, the person Isabella's mother dislikes the most.

But why would Mom make clothes for the son of someone who bullies her, Is it just because he cannot speak?

The information only mentions that Sam cannot talk, without any other details.

"He is mute, but even a mute person should not bully my mom," Isabella clenched her little fists, filled with righteous indignation.

"Ben, let's go to kindergarten tomorrow and teach him ...