Moving the goalposts

[Cami]

The act of redefining the conditions for victory or completion of a task, either when the original conditions for achieving them were met or whilst the person or group is busy working to achieve the current conditions, in order to prevent them from succeeding. Usually done with [malice] by a superior or [peer] looking to [exclude] or remove people from a group by portraying them as incompetent of not completing the task they keep altering.