The self-appointed elite. / A volunteer.

Chosen by oneself; self-appointed.

To self-select; to choose for oneself, rather than having another choose for one. / (transitive, intransitive) To self-appoint; to volunteer; to take on a role one has chosen for oneself.

Having the right to elect oneself.

A minimum percentage of votes that a party needs to receive in order to obtain a parliamentary seat.

(law) The situation of a plaintiff in a civil lawsuit having multiple options from which to choose as to how the defendant's wrong may be righted.

(Christianity) An epithet of the Holy Spirit.

(clinical psychology, psychiatry) Dated form of selective mutism (“A severe anxiety disorder characterized by a total inability to speak in some social settings”). In the past, some clinicians erroneously believed that individuals with elective mutism chose to remain silent in some social situations as an act of defiance. Contrary to what was once believed, the inability to speak (mutism) is involuntary, thus the potentially misleading term elective mutism has largely been supplanted by selective mutism.

Alternative form of by-election.

An organised effort by individuals or their parties to persuade voters to vote for them in an election.