This is the 3916th most frequent Japanese word.
グルージャ
"グルージャ" refers to "Grulla," which is used in Japan as part of sports team names, originating from the Spanish word for "crane" (the bird).
In this sentence, グルージャ refers to the name of a specific football team.
彼はフットボールチームのグルージャに所属しています。
He belongs to the football team Grulla.
Here, グルージャ is used to denote the branding or emblem associated with the football team.
グルージャのロゴはとてもかっこいいですね。
The Grulla logo is really cool, isn't it?
This usage of グルージャ identifies the players of the team together as a collective entity.