Displaced person (7)
'displaced person' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for refugee that I've seen before include "Person seeking asylum in another country" , "Displaced exile" , "Exile who flees for safety" , "One fleeing disaster" , "One who may have left" .)
(Other definitions for evacuee that I've seen before include "Person taken away from a place of danger" , "One moved from place of danger" , "One rescued" , "Someone removed from place of danger" , "One moved out of a war zone" .)