loafer vs rough sleeper

loafer

noun
  • An idle person. 

  • A wolf, especially a grey or timber wolf. 

  • A shoe with no laces, resembling a moccasin. 

verb
  • To loaf around; to be idle. 

rough sleeper

noun
  • A homeless person who sleeps outdoors. 

How often have the words loafer and rough sleeper occurred in a corpus of books? (source: Google Ngram Viewer )