ghostwrite [ghostwrote, ghostwritten, ghostwriting, ghostwrites](write under the name of another) verb [UK: ɡˈəʊstraɪt ɡˈəʊstrəʊt ɡˈəʊstrɪtən] [US: ɡˈoʊstraɪt ɡˈoʊstroʊt ɡˈoʊstrɪʔˌn̩]
代筆者 noun
ghostwriter [ghostwriters](professional writer for another person) noun [UK: ˈɡəʊst.ˌraɪ.tə] [US: ˈɡəʊst.ˌraɪ.tə]