operator

noun (n)

1. (mathematics) a symbol or function representing a mathematical operation (noun.linkdef)

   Sumber: wordnet30

2. an agent that operates some apparatus or machine (noun.person)

   The operator of the switchboard

   Sinonim: manipulator

   Sumber: wordnet30

3. someone who owns or operates a business (noun.person)

   Who is the operator of this franchise?

   Sumber: wordnet30

4. a shrewd or unscrupulous person who knows how to circumvent difficulties (noun.person)

   Sinonim: hustler, wheeler dealer

   Sumber: wordnet30

5. a speculator who trades aggressively on stock or commodity markets (noun.person)

   Sumber: wordnet30

6. One who, or that which, operates or produces an effect. (noun)

   Sumber: webster1913