A 17-year-old girl is being defended online for confronting an elementary-aged boy on a school bus who allegedly called her younger brother the N-word.

In the Instagram video, the protective older sister appeared to be the only teenage passenger on a bus packed with young children.

Her expletive-filled scolding has sparked a debate in the comments section about whether it was appropriate for her to reprimand the younger child. While some critics said she shouldn’t be “jumping on any 11-year-old” — or even riding the bus with younger kids — most praised her for “standing on business” with her little brother.

“Great job big sis for setting a great example [and] whoever raised her did it right. It’s people like her that make a difference,” wrote one person.

The one-minute clip opened with

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