Cryptic crossword clue
Traveller’s support worker in Amazon, perhaps 10

The most common and most likely answer to this crossword clue is the 10 letter word BACKPACKER

I've seen this crossword clue in The Daily Telegraph
B
A
C
K
P
A
C
K
E
R

Buddy explains!

The straight part
We know that "Traveller’s" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case traveller’s = backpacker.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does BACKPACKER mean?

BACKPACKER noun
  1. A traveler whose luggage consists of a backpack; especially, such a traveler who uses hostels, public transport, and other inexpensive services.

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