On Mar 21, 2019, at 10:24, Steven Boozer <sboozer@uchicago.edu> wrote:

>> If I say be'nI'wIj, is it derogatory to me or to my sister ? Or to both ?

 

To your sister.  How would it insult you   ?


Because she’s *his* sister, so it could be an insult by association. I agree though that it mainly insults the sister.