This is the 12472nd most frequent Turkish word.
hocalarından
"From their teachers."
Here, 'hocalarından' means 'from his teachers', indicating the source of help.
Ahmet, ödevini tamamlamak için hocalarından yardım aldı.
Ahmet received help from his teachers to complete his assignment.
In this sentence, 'hocalarından' refers to 'from her teachers', specifying a subset ('one').
Sinem, hocalarından biriyle toplantı yaptığını söyledi.
Sinem said that she had a meeting with one of her teachers.
Here, 'hocalarından' indicates the origin ('from their teachers') of the advice that contributed to the students' success.