A standpatter is someone who does not like change and wants things to stay the same.
The word standpatter can make people think of someone who is stubborn and doesn't want to try new things.
Examples:
The standpatter didn't want to try the new game.
She is a standpatter and doesn't like to change her routine.
The standpatter always wants things to stay the same.
The standpatter won't even try the new ice cream flavor.
The standpatter never wants to do anything different.
He's such a standpatter, he won't even try a new hat.