the.com/onlooker

Someone who showed up for the outcome but not the effort.

means A person who watches something happen without taking part in it.

from A straightforward compound from 'on' plus 'look' plus the agent suffix '-er' — literally one who looks on. It emerged in English in the 1600s, built the same practical way words like 'bystander' were: by nailing a spectator's posture into a noun.

etymology
literally one who looks on
role
present, witnessing, contributing nothing
crowd physics
multiplies instantly when something goes wrong
accountability
zero, by definition
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