absolver
n. C1 Advanced ab·solver
n. a person or thing that frees someone from a duty or a punishment. You use this when someone is officially cleared of a crime or a responsibility.
n. a person or entity that releases someone from a legal obligation, a duty, or a penalty. Often used in legal or formal contexts to describe the authority that grants a pardon or clears a person of guilt.
The judge was the absolver of the prisoner.
The board of directors acted as the absolver for the executive, clearing him of any financial misconduct.
In many historical legal systems, the monarch served as the ultimate absolver, possessing the sovereign power to commute a death sentence or grant a full pardon to a convicted subject.
From absolve + -er.