remitter
noun/ɹɪˈmɪtə(ɹ)/
Etymology From remit + -er (agent noun suffix), or in the legal sense + -er (action noun suffix).
1
One who remits, or makes remittance.
2
One who pardons.
3
Law The sending or placing back of a person to a title or right formerly held; the restitution of one who obtains possession of property under a defective title, to his rights under some valid title by virtue of which he might legally have entered into possession only by suit