pigeonhole
PIGEONHOLE noun
[ C ] uk/ˈpɪdʒənhəʊl/ usone of a set of small open boxes in which letters or messages are left, especially in an office or hotel
ящичек для корреспонденции
pigeonhole verb [ T ] uk/ˈpɪdʒənhəʊl/ us
If you pigeonhole someone, you unfairly decide what type of person they are.
составлять предвзятое мнение