Please...

This week is so terrible.. Mr. Mendoza keeps on calling me Arrah(Its my second name( I don't get it.. why does he keeps on calling someone on their second name when they're not used to.. I just dont want to be called in my second name I only use it when I have txt8 or watever.. but I dont use it formally... I hate that name... pls sir can u just call me vernisse instead or arrah.. Its not a hard request.. I guess...