Question

how do you know ali was afamiliar figure

Answer 1

Ali was a familiar person in the post office because he had been consistantly visiting the post office from the past 5 years, with the hope that he would one day recieve his daughter Miriam's letter.

Answer 2

Ali was a familiar figure in the post office. Ali had been visiting the post office for the past five years every single day so, the staff at the post office knew him very well and he became a familiar figure there.