shadesetter
nounUK /ˈʃeɪdˌsɛtə/
US /ˈʃeɪdˌsɛtər/
A shadesetter is a person who decides how things should be done and that others follow.
The team leader was the shadesetter, choosing the rules everyone played by.
OTHER MEANINGS
2. A person who sets the style or fashion that others copy.
The pop star became a shadesetter for teenage clothes.
3. A device or person that adjusts the darkness of a lamp or window shade.
The shadesetter on the lamp let us dim the light.
4. Someone who creates unfair advantage by controlling how a situation is judged.
Critics said the judge was a shadesetter who favored his friends.