This is the 15823rd most frequent Turkish word.
turistin
"Turistin" means "of the tourist" or "the tourist's" in English.
In this sentence, "turistin" is used as a genitive case, showing possession of "çantasını" (the tourist's bag).
Turistin çantasını otelde unuttuğu söyleniyor.
It is said that the tourist forgot their bag at the hotel.
Here, "turistin" indicates possession in the context of the word "ilgisini" (the tourist's interest).
Bu hediyelik eşyalar turistin ilgisini çekebilir.
These souvenirs might attract the tourist's interest.
Similarly, "turistin" indicates possession related to "sorularını" (questions belonging to the tourist).