the.com/doubter

The one person in the room who read the terms and conditions.

means Someone who withholds belief or agreement until they've seen better evidence.

from Straightforward: 'doubt' plus the agent suffix '-er.' 'Doubt' traces back through Old French 'douter' (to fear, be uncertain) to Latin 'dubitare' — itself built from 'duo,' meaning two. To doubt is, at root, to be pulled between two possibilities, unable to settle on one — which fits the terms-and-conditions reader perfectly, forever weighing the fine print against the promise.

etymology
from latin dubitare, to waver between two things
social role
keeps optimists from becoming investors in nothing
paradox
must doubt even their own doubt sometimes
reputation
wrongly confused with pessimist, actually just paying attention
the.com · every word