The most common and most likely answer to this crossword clue is the 9 letter word ITINERANT
I've seen this crossword clue in Financial Times
I
T
I
N
E
R
A
N
T
More clues leading to the result ITINERANT
- Drifter having intent air? That’s unlikely
- I point and shout “Rover!”
- I can hold forth about European travelling
- One can rave about European wandering
- Traveller that is carrying the can, getting harangue
- Rambling Morph declaims, having grasped point
- Rambling tirade on single point
- Can time stop popular time traveller?
- One can rave about English Rover
- I can take a long time getting books for travelling
Buddy explains!

The straight part
We know that "travelling" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case travelling = itinerant.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 ITINERANT mean?
ITINERANT noun- One who travels from place to place.
- A member of the Travelling Community, whether settled or not.
- Habitually travelling from place to place.