sacrifice

He risked his life in carrying out his duties and lit a fire in the hearts of all police officers.

She gave her life for her country.

The soldier saved his friend by sacrificing his own life.

Because she covered for him even at the cost of her own position, she ended up losing her job.

She risked her own life to save the child's.

She raised her child at the cost of her own life.

She quit her job to take care of her children.

She sacrificed everything for her children.

She worked at the cost of her health.