stepparent
Parent's spouse what is non-parent.
My stepparent is a good person.
stepparent
Parent's spouse (non-parent).
My stepparent is a good person.
stepparent
The person who is married to someone's parent but who is not their parent.
My stepparent is a good person.
stepparent
Parent's spouse and non-parent.
My stepparent is a good person.
stepparent-in-law
Spouse's stepparent.
My stepparent-in-law is a good person.