This is the 13460th most frequent Russian word.
нападавшие
"Attackers."
Here, 'нападавшие' is used as a subject noun, referring to the persons who committed an attack.
Нападавшие выбежали из темноты и напали на караван.
The attackers emerged from the darkness and attacked the caravan.
In this sentence, 'нападавшие' functions as a noun, denoting the individuals identified as attackers.
Свидетель указал на нападавших в толпе.
The witness pointed to the attackers in the crowd.
Here, 'нападавшие' describes those who escaped after initiating an attack, used substantively.