"Relinquisher" is a word in ENGLISH

To give up absolutely; to forsake entirely ; to renounce utterly; to relinquish all connection with or concern on; to …

To exercise finally one's power of control over; to pass over into the control of some one else, as by …

To relinquish the enjoyment or advantage of; to give up; to resign; to renounce; -- said of a thing already …

To retain in one's keeping; to maintain possession of, or authority over; not to give up or relinquish; to keep; …

A release or relinquishment of a claim; a deed of release; an instrument by which some right, title, interest, or …

One who relinquishes.

To throw away; to relinquish voluntarily, as a right which one may enforce if he chooses.

To give up, as something that is claimed or demanded; to make over to one who has a claim or …