antivivisectionist

Example:The animal protectionist organization has been campaigning against the use of animals in scientific research for years.

Definition:A person who seeks to protect animals, especially from harmful practices like vivisection. Animal protectionists often work to create awareness about the ethics of animal research and promote reforms in the healthcare industry.

Example:The anti-experimentalist group filed a lawsuit against a university's research program that uses live animals in experiments.

Definition:A person who is opposed to experiments that involve animals, particularly those that are seen as unnecessary or cruel. Anti-experimentalists might call for stricter regulations or outright bans on such practices.