This is the 1149th most frequent German word.
boris
The word "boris" has no meaning in standard German; it is typically a proper noun, such as a first name.
In this sentence, "Boris" is used as a proper noun, referring to a specific individual by name.
Boris ist ein talentierter Musiker, der viele Instrumente beherrscht.
Boris is a talented musician who masters many instruments.
Here, "Boris" again functions as a proper noun, identifying a person involved in an event or action.
Wir haben gestern Boris getroffen und hatten eine interessante Unterhaltung.
We met Boris yesterday and had an interesting conversation.
In this example, "Boris" refers to the etymology and cultural significance of the name in general terms.