noun, noun or participle which takes 'suru', transitive verb
decide on behalf of someone; decide for someone in their stead
Used when a person makes a decision for another person, often in formal or organizational contexts.
会長が不在のため、副会長が代決した。
Since the chairman was absent, the vice-chairman decided on his behalf.
緊急時には上
In emergencies, a superior may make a decision on behalf of a subordinate.