Sustains the new supporters (11)

I believe the answer is:

enthusiasts

'supporters' is the definition.
(I know this)

'sustains the new' is the wordplay.
'new' indicates anagramming the letters.
'sustains'+'the'='sustainsthe'
'sustainsthe' anagrammed gives 'ENTHUSIASTS'.

(Another definition for enthusiasts that I've seen is " Keen fans".)

I've seen this clue in The Globe and Mail.

Want a hint initially instead of a full solution? Install my app