There are several synonyms for the word "guarder" that convey similar meanings such as protector, defender, watcher, sentinel, custodian, and keeper. These synonyms are often used to describe individuals or objects that are responsible for maintaining safety, security, and protection. A guarder can refer to a person or an object that serves as a shield or barrier against potential harm or danger. Depending on the context, a guarder can be a security guard, a watchdog, a caretaker, or a guardian. These synonyms are useful in distinguishing the specific role and responsibility of the guarder in any given situation.