Moderator

/mˈɒdəɹˌe‍ɪtɐ/

/ˈmɑdɝˌeɪtɝ/

Moderator

someone who, as a job, helps opposing sides come to an agreement

someone who presides over a forum or debate

in the Presbyterian church, the officer who presides over a synod or general assembly

any substance used to slow down neutrons in nuclear reactors

Examples

1. We have moderators.

2. Each group has a moderator.

3. Each group has a moderator.

4. And so the moderator takes a poll.