Port in a storm for Oriental leaving China for Taiwan, for example (7)

I believe the answer is:

refugee

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'port' is the definition.
Although both the answer and definition are singular nouns, I can't see how one could define the other.

I can't explain the remainder of the clue.

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(Other definitions for refugee that I've seen before include "War-forced migrant" , "One seeks shelter" , "Asylum-seeker" , "Exile who flees for safety" , "One fleeing homeland" .)

I've seen this clue in the Irish Times.

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