#function__office__part__role  the actions and activities assigned to or required or expected of a person or group: "the function of a teacher"; "the government must do its part"; "play its role"
  supertype:  duty  work that you are obliged to perform for moral or legal reasons: "the duties of the job"
  subtype:  capacity.function  a specified function; "he was employed in the capacity of director"; "he should be retained in his present capacity at a higher salary"
  subtype:  hat  an informal term for a person's role; "he took off his politician's hat and talked frankly"
  subtype:  portfolio  the role of the head of a government department; "he holds the portfolio for foreign affairs"
  subtype:  stead__position__place__lieu  the function or position properly or customarily occupied or served by another: "can you go in my stead?"; "took his place"; "in lieu of"
     subtype:  behalf  as the agent of or on someone's part; usually expressed as "on behalf of" rather than "in behalf of": "the guardian signed the contract on behalf of the minor child"; "this letter is written on behalf of my client"
  subtype:  second_fiddle  a secondary role or function; "he hated to play second fiddle to anyone"

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