This is the 13360th most frequent Russian word.
наблюдателям
The Russian word "наблюдателям" means "to the observers" in English.
Here, 'наблюдателям' functions as the dative plural of 'наблюдатель', indicating to whom the action pertains.
Наблюдателям удалось заметить редкий вид птиц.
The observers managed to spot a rare species of bird.
In this sentence, 'наблюдателям' is used in dative case to indicate the recipients of the information.
Мы предоставили наблюдателям всю необходимую информацию.
We provided the observers with all the necessary information.
Here the term 'наблюдателей' is in plural genitive case, referring to the independent observers who were present.