This is the 143rd most frequent Croatian word.
njima
"Them" (dative/locative case).
Here 'njima' is used as the dative form, indicating possession.
Knjiga pripada njima.
The book belongs to them.
In this instance, 'njima' serves as an instrumental form, showing interaction.
Razgovaram s njima svaki dan.
I talk with them every day.
'Njima' is again used as a dative, expressing the recipients of the news.