This is the 710th most frequent Turkish word.
asker
"Soldier"
Here, 'asker' is used to mean 'soldier', referring to a member of the military personnel.
Asker sınırda nöbet tutuyor.
The soldier is on duty at the border.
In this sentence, 'askerlik' derived from 'asker' refers to the state or act of military service.
Askerlik yapmak her Türk gencinin görevidir.
Serving in the military is every Turkish youth's duty.
Here, 'asker' is used in the plural sense (implicitly 'askerler') to denote a group of soldiers.