This is the 7155th most frequent Turkish word.
eden
The Turkish word "eden" means "one who does" or "doer."
In this sentence, 'eden' is part of the present participle form of the verb 'etmek' (to do), forming 'hak eden' which means 'deserving'.
Bu işi yapan ve sonucunu gören kişi, aslında hak eden biri olmalı.
The person who does this work and sees the result must actually be someone deserving.
Here, 'eden' in 'rahatsız eden' is used as a descriptive participle (present participle) to modify 'kişi' (person), meaning the person who causes harm.
Sana zarar veren kişiyi affetmek, seni büyüten bir davranıştır.
Forgiving the person who harmed you is a behavior that makes you grow.
In this context, 'eden' is used attributively as a present participle to describe the 'helping' hands, showing the act of giving assistance.