This is the 9165th most frequent Russian word.
сердару
The word "сердару" does not exist in standard Russian. It may be a misspelling or from another language.
This sentence uses 'Сердару' as the name indicating the subject who performed the action of the verb 'gave.'
Сердару подарил книгу своему другу.
Serdaru gave a book to his friend.
Here, 'Сердару' refers to the person initiating speech, used as a proper noun.
В комнате было тихо, пока Сердару не начал говорить.
The room was silent until Serdaru started talking.
In this example, 'Сердару' indicates companionship, suggesting the shared activity of visiting the park.