abjurer

n.a person who abjures

1. The abjurer made a public declaration renouncing his former faith.
   那位发誓放弃者公开声明放弃了他的信仰。
2. During the trial, the defendant was revealed to be an abjurer of his previous allegiances.
   在审判期间，发现被告是一个公开放弃了往日忠诚的人。