This is the 4468th most frequent Polish word.
klubem
"Klubem" means "club" in the instrumental case in Polish.
Here, 'klubu' is used to denote a physical location or venue that is a club.
Chodzę do klubu co piątek.
I go to the club every Friday.
In this instance, 'klubu' refers to the organization or group that forms the sports club.
Jesteśmy dumni z naszego klubu sportowego.
We are proud of our sports club.
Here, 'klubem' is used in the instrumental case to describe the literary club being the subject of discussion.