This is the 14327th most frequent Turkish word.
olanlarız
"Those of us who exist/happen."
'olanlarız' is used here to refer to people who achieve being themselves or survive in life.
Biz hayatta ancak olanlarız.
We are those who manage to be in life.
'olanlarız' suggests people who are defined or described in a certain way.
Kendimizi tanımlarken olanlarız.
We are those who define ourselves.
In this context, 'olanlarız' implies that everyone becomes or ends up being something in life.