A creative writer isn't bound to any specific professional, journalistic, academic, or technical forms of literature and is typically identified by an emphasis on narrative craft, character development, and the use of literary tropes or with various traditions of poetry and poetics.
An author is a writer of a book, article or documents, who creates a piece of writing be it text books, novel or literary writings. It is however,different from a compiler, translator, editor, or copy writer. Author can create fiction or nonfiction themselves or with co workers.
Transalator is a person who would convert the written word from the 'source language' into the 'target language’, making sure that the meaning is maintained.