This is the 4909th most frequent Arabic word.
الشيشاني
"الشيشاني" means "Chechen," referring to something or someone from Chechnya.
Here, the term 'الشيشاني' is used as an adjective to describe the origin or ethnicity of the man.
الرجل الشيشاني يتحدث اللغتين الشيشانية والعربية.
The Chechen man speaks both the Chechen and Arabic languages.
In this sentence, 'الشيشاني' specifies the people of Chechnya, functioning as an attributive in 'الشعب الشيشاني'.
قمت بقراءة كتاب يتحدث عن تاريخ الشعب الشيشاني.
I read a book discussing the history of the Chechen people.
'الشيشاني' here characterizes the tourist with respect to his nationality or ethnic background.