The word "de-filers" refers to those who spoil or dirty something, making it unclean or impure. The antonyms for this word could be "purifiers," "cleaners," "refiners," or "sanitizers." These words indicate actions taken to make something pure, clean, or refine it to a better state. "Purifiers" remove impurities, while "cleaners" remove dirt or dust. "Refiners" purify something by removing unwanted substances, while "sanitizers" make a place hygienic by eliminating germs and bacteria. These antonyms represent the opposite of what defilers do, which is to make something dirty or impure. By using these words, we can emphasize the importance of maintaining cleanliness and purity in our surroundings.