This is the 610th most frequent Arabic word.
فلاديمير
"فلاديمير" is the Arabic transliteration of the name "Vladimir," a common Slavic male given name.
The word 'فلاديمير' here is a proper noun serving as the subject of the sentence, referring to a person's name.
فلاديمير يحب قراءة الكتب.
Vladimir loves reading books.
In this context, 'فلاديمير' is a proper noun and is preceded by 'السيد', indicating respect by referring to Mr. Vladimir.
التقينا بالسيد فلاديمير في المؤتمر.
We met Mr. Vladimir at the conference.
The word 'فلاديمير' functions as the subject of the verb 'أخبر', showing Vladimir as the speaker sharing the information.