"В каких случаях можно назвать человека "робинзоном"?

Раскрыть скобки и поставить глагол в правильную форму While I was walking along the road the other day I (happen) (notice) a small brown leather purse lying on the pavement. I (pick) it up and (open) it to see if I (can) (find) out the owner’s name. There (be) nothing inside except some coins and a photo of a woman and girl. The girl (look) like the woman’s daughter. I (see) that the photo had been taken many years before. I (put) it back and (take) the purse to the police-station