horsetrader

Definitions

1. A person who buys and sells horses, especially one who makes such transactions in a clever or skillful manner.
   literally
2. One who is skillful in transacting or negotiating of any kind.
   broadly, figuratively

Equivalents

Examples

“The three subordinates on whom President Roosevelt depends to win⟳ his Senate victories are Majority Leader Joseph T. Robinson of Arkansas, the bull-voiced, heavy-fisted field commander; Pat Harrison of Mississippi, the shrewd committee and cloakroom horsetrader; and James F. Byrnes of South Carolina.”

CEFR level