This is the 4717th most frequent Turkish word.
davasına
"To his/her/its cause" or "for his/her/its lawsuit."
Here, 'davasına' refers to a cause or a legal case that someone supports or works for.
Ali, insan haklarının davasına destek verdi.
Ali supported the cause of human rights.
In this sentence, 'davasına' indicates a focus on an important effort, here related to health.
Doktorlar hastanın sağlığı davasına odaklanmalı.
Doctors should focus on the cause of the patient's health.
'Davasına' is used to describe a significant principle or effort, such as justice in this context.