fixer

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++fix·er /ˈfɪksə $ -ər/ noun [countable]  ARRANGE A MEETING, EVENT ETCsomeone who is good at arranging things and solving problems for other people, sometimes by using dishonest methods 〔有时用不正当手段的〕代理人，代人疏通者 a political fixer 政治掮客

Examples from the Corpus

fixer• We like to see ourselves as born mavericks and fixers.• He was no more illegal than most of the fixers in this business.• I suspect your fixer is a crook.

fix·er nounChineseSyllable  

and who someone is problems good solving Corpus at things arranging

fixer
fix‧er /ˈfɪksə $ -ər/ noun [countable]
someone who is good at arranging things and solving problems for other people, sometimes by using dishonest methods:
    a political fixer

fixerBrE /ˈfɪksə(r)/ 🔊NAmE /ˈfɪksər/ 🔊 noun(informal) a person who arranges things for other people, sometimes dishonestly （有时用不正当的手段）代人安排者，代人疏通者◆a great political fixer一位杰出的政治调停人a chemical substance used in photography to prevent a photograph from changing and becoming too dark 定影剂；定色剂