A ferry was sent out for the travellers (9)

I believe the answer is:

wayfarers

'the travellers' is the definition.
(wayfarer is a kind of traveller)

'a ferry was sent out' is the wordplay.
'sent' is an anagram indicator (send can mean to excite or stimulate).
'out' is an insertion indicator.
'ferry'+'was'='ferrywas'
'ferrywas' with letters rearranged gives 'wyfarers'.
'a' going within 'wyfarers' is 'WAYFARERS'.

'for' acts as a link.

(Another definition for wayfarers that I've seen is " Itinerants".)

I've seen this clue in the Evening Standard.

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