- Grass - Messenger - Whistle-blower - One who, or that which, informs, animates, or
vivifies. - One who imparts information or instruction. - One who offers an accusation; an informer. See
Informer.
- Adjudicator - Adjudicator who is blind, according to the spectators - An agent abb - Arbiter bereft of wager - Arbiter bereft when wager is called off - Carefully disguises umpire - field arbiter for short