renounce
动词 renounce:
give up, such as power, as of monarchs and emperors, or duties and obligations
同义词:abdicate
leave (a job, post, or position) voluntarily
同义词:vacate, resign, give up
turn away from; give up
同义词:foreswear, quit, relinquish
cast off or disown
同义词:repudiate