fixers

noun
  1. 1

    Agent noun of fix; one who, or that which, fixes.

  2. 2

    A chemical (sodium thiosulfate) used in photographic development that fixes the image in place, preventing further chemical reactions.

  3. 3

    (criminal justice) A person who arranges immunity for defendants by tampering with the justice system via bribery or extortion, especially as a business endeavor for profit.

  4. 4

    A person who assists foreign journalists in volatile countries, often providing interpretation, personal connections, and transportation services.

  5. 5

    A fixer-upper.

Source: https://en.wiktionary.org/wiki/fixer, https://en.wiktionary.org/wiki/fixers