jobber
/ˈdʒɒbə(r)/noun
1
- historical (in the UK) a principal or wholesaler who dealt only on the Stock Exchange with brokers, not directly with the public〈史〉（英国）股票自营商。
2
- N. Amer. a wholesaler〈北美〉批发商。
3
- a person who does casual or occasional work做零工者。
USAGE
On the UK Stock Exchange the term jobber was officially replaced by broker-dealer in 1986, broker-dealers being entitled to act as both agents and principals in share dealings.
词源
late 17th cent. （in the sense 'broker, middleman', originally not derogatory）： from JOB1.