This is the 6009th most frequent German word.
christof
"Christof" is a German personal name, equivalent to "Christopher" in English.
Here, 'Christof' is a proper noun serving as the subject of the sentence, indicating the name of the person being discussed.
Christof spielt gerne Gitarre.
Christof enjoys playing the guitar.
In this sentence, 'Christof' is used as a proper noun functioning as the direct object, referring to a specific individual that is being inquired about.
Hast du Christof heute gesehen?
Have you seen Christof today?
Here, 'Christof' is a proper noun used with a possessive construction, showing possession of the car.