Doer

//ˈduː.ɚ// noun

Definitions

Noun
  1. 1
    Someone who does, performs, or executes; an active person, an agent.

    "The doer and the thinker No allowance for the other."

  2. 2
    a person who acts and gets things done wordnet

Etymology

From Middle English doer, doar, doere, from Old English dōere (“a doer; worker”), equivalent to do + -er.

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