Trouper (noun)

A person, especially an actor or performer, who is able to continue working despite difficulties or setbacks.

Origin:

Derived from the word "troop" meaning a company of actors, it referred to a member of a travelling theatrical company.

Examples:

1. The actor was a real trouper, continuing to perform despite a broken leg.
2. The singer was a trouper, she never missed a performance.
3. The dancer was a trouper, she kept dancing even when she was injured.
4. The trouper never let the audience know that he was sick.
5. The trouper never let the difficult stage conditions affect his performance.