This is the 2317th most frequent Arabic word.
المسافرين
"The travelers."
Here, 'المسافرين' is used as a plural noun in the definite form, referring to a group of travelers.
ينتظر المسافرين في محطة القطار.
The travelers are waiting at the train station.
In this sentence, 'المسافرين' is employed as the object of the verb 'رأيت' (I saw), further describing their actions.
رأيت المسافرين يحملون أمتعتهم.
I saw the travelers carrying their luggage.
Here, 'المسافرين' is the subject of the sentence, actively performing the action of booking their seats.