This is the 5048th most frequent Turkish word.
göçmenlerin
"Of the migrants" or "belonging to the migrants."
The word 'göçmenlerin' is used as a possessive noun implying 'of the immigrants', indicating ownership or association with 'haklarını (their rights)'.
Göçmenlerin haklarını savunmamız gerekiyor.
We need to defend the rights of the immigrants.
The word 'göçmenlerin' establishes a possessive relationship with the verb clause 'kaldığı (where they stay)', indicating 'of the immigrants'.
Burada göçmenlerin kaldığı bir kamp bulunuyor.
There is a camp here where the immigrants stay.
'Göçmenlerin' specifies possession with 'yerini (their place)', meaning 'of the immigrants'.