stirrer

/S T ER1 ER0/
noun
  1. 1

    A device used to stir.

    โ€œWe're out of coffee stirrers again and I'm not using my finger!โ€

  2. 2

    A person who stirs something.

    โ€œThe stirrers in the chocolate factory often get chocolate all over their uniforms.โ€

  3. 3

    A person who spreads rumours or causes agitation.

    โ€œWhy would you say something so hurtful? God, you are such a stirrer!โ€

  4. 4

    One who stirs or moves about, as after sleep.

Source: https://en.wiktionary.org/wiki/stirrer