scriptwriter; playwright; scenario writer
Refers to a person who writes scripts for plays, films, television, or other performances. The term is neutral and commonly used in professional contexts.
She is a famous scriptwriter.
The scriptwriter is writing the script for a new drama.
脚本家 is the person who writes the script, while 演出家 is the person who directs how that script is staged or performed.
Compound of 脚本 (script) + 家 (suffix for a specialist or professional).