linkman

noun

1. (historical)An adult linkboy; one bearing a torch or light.
2. A player who uses speed and dexterity to keep an attacking team's downfield progress fluid.
3. 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.”

4. A presenter who provides the connecting verbiage between a number of separate items in a broadcast.