This is the 5552nd most frequent Turkish word.
müşterisine
"To/for its/her/his customer."
In this sentence, 'müşterisine' is used in the dative case to indicate the recipient of the action (suggesting).
Satıcı müşterisine hediyelik bir eşya önerdi.
The seller suggested a gift item to their customer.
Here, 'müşterisine' is again in the dative case, showing to whom the coffee is offered.
Kafe sahibi müşterisine özel bir kahve ikram etti.
The café owner offered a special coffee to their customer.
In this usage, 'müşterisine' is featured in the dative case, specifying the recipient of the service or solution.