This is the 2316th most frequent German word.
karin
"Karin" is a German female given name; it does not have a standalone meaning.
The word 'Karin' is used as a proper noun indicating the name of an individual.
Karin ist meine Freundin.
Karin is my friend.
The word 'Karin' is used as a direct object referring to the person named Karin.
Ich habe gestern Karin gesehen.
I saw Karin yesterday.
In this sentence, 'Karin' is the subject performing the action of helping.