A watchdog is a person or committee whose job is to make sure that companies do not act illegally or irresponsibly. an anti-crime watchdog group funded by New York businesses
a dog trained to guard property a guardian or defender against theft or illegal practices or waste; "she is the global watchdog for human rights abuses
A person who guards or protects against waste, or illegal practices Every interior design coalition and association needs at least one watchdog to keep an eye on proposed legislation that may adversely effect interior designers