I have heard the following sentence in the Narcos TV series:
Ya no queda nadie que se nos enfrente.
I have already read All about datives, or: What's that funny "le" or "me" doing in there?, but I'm not sure about the purpose of the reflexive pronoun in this sentence. Is it an ethical dative? If so, how exactly is "nobody" concerned or involved in challenging us? It is related to the fact that whoever tries may get beaten/killed?