survivalThe state of continuing to live or exist in spite of difficult circumstances
Definitions:
The state or fact of continuing to live or exist, typically in spite of an accident, ordeal, or difficult circumstances.
courageThe ability to do something that frightens one
Definitions:
The ability to do something that frightens one; bravery.
persevereTo keep trying despite difficulties
Definitions:
To continue in a course of action even in the face of difficulty or with little or no prospect of success.