This is the 10995th most frequent Turkish word.
diyene
"To the one who says."
Here, 'diyene' serves as the indirect reference to someone who has made the statement 'help your friend'.
Arkadaşına yardım et diyene her zaman dikkat etmelisin.
You should always be attentive to someone who says to help your friend.
In this case, 'diyene' establishes connection with the person who expressed the words 'how beautiful!'.
Bu manzarayı görünce 'ne güzel!' diyene kesinlikle hak veririm.
When you see this view, I totally agree with someone who says 'how beautiful!'.
'Diyene' here links to the speaker who told 'go home', providing a specified reference to that individual.