I can rave, touring East as traveller (9)
I believe the answer is:
itinerant
'traveller' is the definition.
(itinerant is a kind of traveller)
'i can rave touring east' is the wordplay.
'can' becomes 'tin' ('tin' can be a synonym of 'can').
'rave' becomes 'rant' ('rant' can be a synonym of 'rave').
'touring' is an insertion indicator (touring can mean going round).
'east' becomes 'e' ('E' can be a synonym of 'east').
'tin'+'rant'='tinrant'
'tinrant' going around 'e' is 'tinerant'.
'i'+'tinerant'='ITINERANT'
'as' is the link.
(Other definitions for itinerant that I've seen before include "Wanderer" , "Person who moves from place to place" , "Rambling" , "Nomadic" , "Tramp" .)