What is another word for second-guessers?
Pronunciation: [sˈɛkəndɡˈɛsəz] (IPA) 
Second-guessers are people who doubt themselves and their decisions. They tend to overthink situations and reconsider their choices. Synonyms for this term include doubters, hesitators, vacillators, and fence-sitters. These individuals may also be referred to as indecisive, uncertain, or skeptical. They may lack confidence in their abilities and may constantly seek reassurance from others. Other terms that can be used to describe second-guessers include worriers, anxious individuals, and over-analyzers. While it is important to consider various options and opinions when making decisions, being a second-guesser can often lead to unnecessary stress and delay in taking action.
