underlived

Example:He felt he had been shortchanged in his career when he was passed over for promotion multiple times.

Definition:to deal with or treat (a person) less generously or favorably than one should; to fall short of providing (a person) with what is due or deserved.

Example:During her first year as a therapist, she floundered, underliving her professional expertise.

Definition:to fail to find the right way of doing or handling things; to struggle with a difficult task or situation.

Example:His behavior disappointed his friends, underliving their expectations of him.

Definition:to fail to live up to others' expectations; to cause dissatisfaction or unhappiness.