Facilitator
the GNU version of the Collaborative International Dictionary of English
noun.
someone who makes progress easier.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A person who
helps
a
group
to have an
effective
dialog
without taking any
side
of the
argument
, especially in order to
reach
a
consensus
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
someone who makes progress easier
Word Usage
"To act as their facilitator is completely deceiving."