This is the 5349th most frequent Arabic word.
جرحى
"Wounded" or "injured individuals."
Here, 'جرحى' is used as a noun referring to people who are injured.
تم علاج الجرحى بسرعة.
The injured were treated promptly.
In this sentence, 'جرحى' again is a noun used to refer to individuals who have been injured.
مساعدة الجرحى واجب إنساني.
Helping the injured is a humanitarian duty.
'جرحى' functions as the subject -- those who are injured and undergoing the action of being transported.