Facilitator (noun)

1. A person who helps a group of people to work together more effectively.
2. A person who helps make a process or task easier or more efficient.
3. A person who provides support and assistance to others in order to help them achieve their goals.
4. A person who facilitates discussions or negotiations between individuals or groups.

Origin:

Late 19th century: from facilitate + -or.

Examples:

1. The facilitator led the team-building exercises, helping the group to work together more effectively.
2. The facilitator made the process of setting up the meeting much easier.
3. The facilitator provided support and assistance to the group, helping them to achieve their goals.
4. The facilitator was an impartial observer, facilitating discussions between the two parties.
5. The facilitator's role was to help the group reach a consensus on the issue at hand.