Want this question answered?
When someone is genetically identical to someone else they are called twins, triplets etc.
Someone who picks on someone else is called a bully. They are not nice people.
When someone else writes about someone who is deceased, it is called a biography.
Envious.
AutoBiography
• Someone who interferes in someone else's life is called a 'meddler.' Obviously.....
The term for someone who does this specifically is "two-faced"
That is known as projection. It is a defense mechanism where an individual attributes their own emotions or traits onto another person or object.
a babysitter
"Somesle" is not an English word. Perhaps you mean "someone else" or "something else"?
Tenant
Hiring someone to beat up another person is commonly referred to as assault or hiring a hitman. It is illegal and punishable by law.