The word is based on the Latin for Delegat or to Dispatch. We are "Distpatching" our support for a certain person to lead.
A delegate is basically a political representative that acts as a direct vehicle to the ideas and suggestions of the people he is appointed to represent, ususally in front of a governmental body.
Somebody who votes for something. ( I think, I'm looking for an answer to: )
ben franklin
An elected Representative who will vote the way of their constituents would want them to vote, regardless of the representative's opinions.