Abdicant

abdicating, forsaking, or deserting:
to be abdicant of one’s duty.
a person who abdicates; abdicator.

Read Also:

Abdication
the act or state of ; renunciation. contemporary examples abdication brought her to the throne, but it will not be the way she leaves it. to the queen, on her 83rd birthday robert lacey april 20, 2009 bergoglio is 76 years old—nine years younger than benedict at the time of his abdication. introducing pope francis, […]
Abdicative
to renounce or relinquish a throne, right, power, claim, responsibility, or the like, especially in a formal manner: the aging founder of the firm decided to abdicate. to give up or renounce (authority, duties, an office, etc.), especially in a voluntary, public, or formal manner: king edward viii of england abdicated the throne in 1936. […]
Abdicator
to renounce or relinquish a throne, right, power, claim, responsibility, or the like, especially in a formal manner: the aging founder of the firm decided to abdicate. to give up or renounce (authority, duties, an office, etc.), especially in a voluntary, public, or formal manner: king edward viii of england abdicated the throne in 1936. […]