This is the 9024th most frequent Russian word.
роберту
"Роберту" is the dative case of the male name "Роберт," meaning "to Robert" in English.
In this sentence, 'Роберту' is used to signify the indirect object of the verb, indicating to whom the action is directed.
Я передал книгу Роберту.
I handed the book to Robert.
Here, 'Роберту' is employed in the dative case to denote association or purpose connected to Robert.
Пойдем на встречу с Роберту.
Let's go to the meeting with Robert.
This usage of 'Роберту' in the dative case indicates the person to whom gratitude is directed.