lackey vs loyal follower

lackey

noun
  • A fawning, servile follower. 

  • A footman, a liveried male servant. 

verb
  • To attend, wait upon, serve obsequiously. 

loyal follower

noun
  • Loyal follower or servant, usually of a more powerful being 

How often have the words lackey and loyal follower occurred in a corpus of books? (source: Google Ngram Viewer )