名詞 castaway:

1. a person who is rejected (from society or home)
   同義詞：outcast, pariah, Ishmael
2. a shipwrecked person
   同義詞：shipwreck survivor

cast.a.way

adj.（形容詞）
Cast adrift or ashore; shipwrecked.
遇難的：漂流的或拋到岸上的；船失事的
Discarded; thrown away.
拋棄的；扔掉的
n.（名詞）
A shipwrecked person.
遭船難的人
A rejected or discarded person or thing.
被逐出者：被拒絕或被拋棄的人或物