Oust or eject (5)
I believe the answer is:
expel
This clue is a double definition.
'oust' is the first definition.
(synonyms)
'eject' is the second definition.
(synonyms)
(Other definitions for expel that I've seen before include "Spew" , "Reject" , "Throw out" , "Drive out - dispossess" , "Drive out - eject" .)