This is the 6183rd most frequent Turkish word.
ömer
"Ömer" is a Turkish proper noun, equivalent to the name "Omar" in English.
Here, 'Ömer' is used as a proper noun, serving as the subject of the sentence, designating a person's name and referring to them directly.
Ömer sabah erkenden okuluna gitti.
Ömer went to his school early in the morning.
'Ömer' is again used as a proper noun, but this time it is the indirect object of the sentence indicating to whom the book should be given.
Bu kitabı Ömer'e vermelisin.
You should give this book to Ömer.
In this sentence, 'Ömer' is used as a possessive noun ('Ömer'in'), specifying ownership of the pen that is on the table.