linkman

noun4

1. •
   A man who acts as a link or connection.

   • Sajjad Zaheer was the linkman with the literary community on behalf of the nascent communist movement of India. — 1997
2. •
   A presenter who provides the connecting verbiage between a number of separate items in a broadcast.
3. •
   A player who uses speed and dexterity to keep an attacking team's downfield progress fluid.
4. •
   (historical) An adult linkboy; one bearing a torch or light.