dynamic character
dynamic character (personaje dinámico)
a character who changes in an important way during a story; a static character stays the same.
Example
At first Lena hides from her neighbors; by the end, she leads the block meeting. (Lena is a dynamic character.)
In Spanish
dynamic character (personaje dinámico) — un personaje que cambia de manera importante durante el cuento; un personaje estático (static) sigue igual.
At first Lena hides from her neighbors; by the end, she leads the block meeting. (Lena es un personaje dinámico.)