This is the 897th most frequent German word.
stephan
"Stephan" is a German male given name, equivalent to "Stephen" or "Steven" in English.
In this case, 'Stephan' is a proper noun indicating possession.
Das Fahrrad gehört Stephan.
The bicycle belongs to Stephan.
Here, 'Stephan' is used as a direct object in the sentence.
Ich habe Stephan gestern im Park gesehen.
I saw Stephan in the park yesterday.
In this sentence, 'Stephan' is a proper noun functioning as the subject of the sentence.