fixer

noun8

1. •
   Agent noun of fix: one who, or that which, fixes.
2. •
   A person who serves as an agent to arrange for a desired result, perhaps by improper and/or unlawful means.
3. •
   (Philippines) Someone who is often paid that helps a customer cut through red tape, especially for government processes or applications.
4. •
   A person who arranges immunity for defendants by tampering with the justice system via bribery or extortion, especially as a business endeavor for profit.
5. •
   A person who assists foreign journalists in volatile countries, often providing interpretation, personal connections, and transportation services.
6. •
   (US) A fixer-upper.
7. •
   A chemical (sodium thiosulfate) used in photographic development that fixes the image in place, preventing further chemical reactions.
8. •
   (slang) A drug dealer or user.

   • He'd say things like, “Now, I don’t want you in Harlem!” He was afraid I'd meet the wrong people in Harlem; fixers, junkies, people like that. — 1969