The term 'fixer' can refer to a variety of different roles. A briber (6 letters) is someone who offers money or other incentives in exchange for a desired outcome. A REPAIRMAN (9 letters) is someone who fixes broken items or machines. A DOC (3 letters) is a slang term for a doctor, usually used to refer to a medical doctor. Finally, a hypo (4 letters) is a slang term for a hypodermic needle, which is used to inject medication into the body.