This is the 8471st most frequent German word.
kian
The word "kian" does not exist in standard German. It might be a typo or derived from another language.
Here, 'Kian' is used as a proper noun, referring to a person's name.
Kian spielt gerne Fußball.
Kian likes to play soccer.
In this sentence, 'Kian' is possessive, showing ownership of the backpack.
Ist das nicht Kians Rücksack?
Isn't that Kian's backpack?
In this case, 'Kian' is the object of the action performed, referring again to a person.