One's away east, been all over the place (8)
I believe the answer is:
absentee
'one's away' is the definition.
(a person who is away)
'east been all over the place' is the wordplay.
'all over the place' indicates anagramming the letters.
'east'+'been'='eastbeen'
'eastbeen' with letters rearranged gives 'ABSENTEE'.
(Other definitions for absentee that I've seen before include "Person who should be present but isn't" , "One who should be but isn't present" , "One failing to attend" , "to prompt a hearty increase in affection!" , "to be called in? No!" .)