What is a well-trained volunteer soldier who was ready to fight against the British at a minute's notice?

A well-trained volunteer soldier ready to fight against the British at a minute's notice is known as a "minuteman." This term originated during the American Revolutionary War, referring to colonial militia members who were prepared to respond quickly to threats. Minutemen were instrumental in early battles and played a key role in the fight for American independence. Their readiness and commitment exemplified the spirit of resistance among the colonies.