Greece-Limnos ,Chios ,Ikaria??

Hi,
I'm searching for a foreign man travelling alone to ikaria island, Greece -with the ship "samotraki" which also pass from limnos, chios, samos - on the 24th of June. He was wearing a hat ,was tall with long hair & fair complexion. I've turned the world upside down to find him afterwards but i had no luck.My description is poor I know ,but If he reads this message will understand. Thanks alot