renounce

(v) give up, such as power, as of monarchs and emperors, or duties and obligations
- The King abdicated when he married a divorcee
abdicate,
(v) leave (a job, post, or position) voluntarily
- She vacated the position when she got pregnant
- The chairman resigned when he was found to have misappropriated funds
resign, vacate, give up,
(v) turn away from; give up
- I am foreswearing women forever
foreswear, relinquish, quit,
(v) cast off
- She renounced her husband
- The parents repudiated their son
repudiate, disown,

abdicate resign vacate give up foreswear relinquish quit repudiate disown

renouncement