When you take a picture of someone without their permission, it is called "unauthorized Photography" or "invasion of privacy."
That actually depends upon what it is that you are using. If you use someone's car without permission, that is called stealing. If you use someone's movie without permission, that is called piracy. If you use someone's body without permission, that is called rape.
Copying someone else's work without permission is called plagiarism.
Use of protected material without permission or an exemption in the law is called infringement.
If you are the registered owner than that is called "Theft".
nope, that's a little thing called fraud.
A written document giving someone permission to do something is called a "license."
A person who enters by force without permission is commonly called a trespasser or an intruder.
If you do it without their permission and without acknowledging them, presenting it as your own work, it is called plagiarism. If you do acknowledge them, then it can be called quoting or citing them or referencing them.
When you give someone permission to do something, it is referred to as granting consent. This allows the person to proceed with an action that they would not have been able to do without your approval. Consent can be verbal or written, depending on the context and the nature of the permission being granted.
Stealing is legally known as theft, which is the act of wrongfully taking someone's property without permission with the intent to permanently deprive the owner of it.
The term for taking pictures without permission is called "unauthorized photography" or "unlawful photography."
Taking something that is not yours is called theft. It is a criminal offense that involves unlawfully and intentionally taking someone else's property without their permission.