Scripters I think :)
Fans.
A7X Fans
They call them fans, they dont call them anything else...
His fans are known as Team Breezy
They call him lots of stuff
Script
a play with no script is called improv.
Fans.
They call their fans 'Red Heads'.
If there obsessed fans, you call them Beliebers
Niallators are what you call niall horan fans
They call they're fans the hate crew
She calls them fans.
You would just call them fans.
A plays script is sometimes referred to as the plays book.
Protestants
A7X Fans