trafficker

Concise Oxford English Dictionary © 2008 Oxford University Press:
traffic/ˈtrafɪk/

▶noun

• 1 vehicles moving on a public highway.

• 2 the movement of ships, trains, or aircraft.

• 3 the commercial transportation of goods or passengers.

• 4 the messages or signals transmitted through a communications system.

• 5 the action of trafficking.

• 6 archaic dealings or communication between people.

▶verb (traffics, trafficking, trafficked) deal or trade in something illegal.

– derivatives
trafficker noun,
trafficless adjective.

– origin C16: from Fr. traffique, Sp. tráfico, or Ital. traffico, of unknown origin.