wyrzekać się in English:

Joan of Arc refused to renounce her belief that the voice she heard was from God and none other.

Employees cannot renounce their holiday rights.

to renounce one's rights, an inheritance, property, to renounce the accusation, a contract

Gandhi renounced the use of violence. Her ex-husband renounced his claim to the family house.

I do plainly and ingenuously confess that I am guilty of corruption, and do renounce all defense. I beseech your Lordships to be merciful to a broken reed.

abjuration = wyparcie się, wyrzeczenie się (czegoś) abjure rights = wyzbyć się praw

The actress abjured her privacy iin order to gain fame.