Defilers refer to individuals who desecrate, tarnish, or pollute something that was once considered sacred or pure. Antonyms for this word include preservers, protectors, and guardians. Preservers keep things in their original state and prevent any damage or change. For instance, historical artifacts are preserved to maintain their original state for future generations. Protectors safeguard people or things from harm or danger. They help to maintain safety and security in a particular environment. On the other hand, guardians oversee or supervise something to maintain its quality or value. Overall, the antonyms for defilers represent attributes that promote positivity and sustain the values of a particular setting.