abnegated
v. C1 Advanced ab·ne·gat·ed
v. to give up something you want or need, especially to help others. It is a formal word for making a big sacrifice.
v. to renounce or give up something, especially a personal desire or right, for the sake of others or a higher cause. Often used in formal or literary contexts to describe a significant moral sacrifice.
He abnegated his right to a private life for his country.
The monk abnegated all worldly possessions to live a life of total simplicity and service.
By abnegating his own ambitions, the leader ensured the stability of the nation during a period of extreme political transition.