B1
someone, especially a young person, who travels around an area without spending much money, carrying a backpack
Dictionary examples:
The backpacker accidentally packed his cat instead of his socks! (0.0)
The backpacker used his map as a blanket and slept under the stars. (0.0)
The backpacker used his smelly socks to scare away wild animals at night. (0.0)
The hostel is used mainly by backpackers. (25.4)