Traveller who carries his belongings in a rucksack (10)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
backpacker
(Other definitions for backpacker that I've seen before include "Traveller with a rucksack" , "Hiker" , "Traveller with little luggage" , "One travelling with a rucksack" , "Sort of traveller" .)