This is the 338th most frequent Polish word.
putin
In Polish, "putin" typically refers to Vladimir Putin, the President of Russia.
In this sentence, 'Putin' is used as a proper noun referring to an individual, presumably Vladimir Putin.
Putin odwiedził Warszawę w celach dyplomatycznych.
Putin visited Warsaw for diplomatic purposes.
Here, 'Putina' is a possessive form, denoting something related to the subject, his policy.
W mediach często pojawia się dyskusja o polityce Putina.
There is often a discussion about Putin's policy in the media.
In this example, 'Putina' indicates the individual as the agent responsible for making decisions, showing subjective association.