wretch
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noun
an unfortunate or unhappy person:
かわいそうな人, 哀れな人
e.g. can the poor wretch's corpse tell us anything?
informal a despicable or contemptible person:
あさましいやつ, 悪党; ⦅おどけて⦆ 困ったやつ
e.g. ungrateful wretches.
ORIGIN
Old English wrecca (also in the sense ‘banished person’), of West Germanic origin; related to German Recke ‘warrior, hero’, also to the verb wreak.