Plant collector finding her way around island (9)
I believe the answer is:
herbalist
'plant collector' is the definition.
(someone who collects or prepares herbs)
'her way around island' is the wordplay.
'way' becomes 'st'.
'around' indicates putting letters inside.
'island' becomes 'bali' (Bali is an example).
'her'+'st'='herst'
'herst' placed around 'bali' is 'HERBALIST'.
'finding' is the link.
(Other definitions for herbalist that I've seen before include "Early botanical writer" , "simple job" , "He dispenses simple cures" .)