Decorate, with help from sailor (8)
I believe the answer is:
deckhand
'sailor' is the definition.
(deckhand is a kind of sailor)
'decorate with help' is the wordplay.
'decorate' becomes 'deck' (decking is a kind of decorating).
'with' means one lot of letters go next to another.
'help' becomes 'hand' (hand is a kind of help**).
'deck'+'hand'='DECKHAND'
'from' acts as a link.
(Other definitions for deckhand that I've seen before include "seaman" , "one employed on board?" , "crew member" , "Ship worker" .)