Definition
A beholder is someone who looks at or observes something. It's a bit more poetic and philosophical than just 'observer'. The term often implies a subjective experience, with the viewer's perspective shaping what they see. The phrase 'beauty is in the eye of the beholder' means that beauty is in the opinion of the person who sees it. A beholder isn't a passive watcher, but actively interpreting what they see. Think of an art critic, who brings personal experience to their viewing.