This is the 44th most frequent Turkish word.
olmak
"Olmak" means "to be" or "to become" in English.
Here, 'olmak' means 'to become' and indicates the desire of transitioning into being a doctor.
Doktor olmak istiyorum.
I want to become a doctor.
Here, 'olmak' means 'to be,' referring to the state of feeling sad.
Üzgün olmak istemem.
I don't want to be sad.
Here, 'hale geldi' employs a phrase meaning 'became,' indicating transition into a working state.