English to English

noun (n)

• someone waiting in concealment(noun.person)

  Synonym:
  lurker, skulker
  

  source: wordnet30
• One that lurches or lies in wait; one who watches to pilfer, or to betray or entrap; a poacher.(noun)

  source: webster1913
• A glutton; a gormandizer.(noun)

  source: webster1913