This is the 6799th most frequent Turkish word.
beşiktaşlısı
A supporter or fan of the Beşiktaş sports club.
Here, 'beşiktaşlısı' is used to describe someone affiliated with or a supporter of the Beşiktaş sports club.
Ali beşiktaşlısı olarak bilinir.
Ali is known as a supporter of Beşiktaş.
In this sentence, 'beşiktaşlısı' illustrates individuals who support Beşiktaş collectively represented within the context of a class.
Okulda en çok beşiktaşlısı olan sınıfta öğretmenlik yapıyorum.
I teach in the class with the most Beşiktaş supporters at school.
'Beşiktaşlısı' here specifies a single individual from the village who supports Beşiktaş and is associated with related actions.