What is another word for non-participant?
Pronunciation: [nˈɒnpɑːtˈɪsɪpənt] (IPA) 
Non-participant is a term used to describe someone who is not involved in a particular activity or event. However, there are various synonyms that can be used instead of the word non-participant to convey a similar meaning. Such synonyms include bystander, onlooker, observer, witness, outsider, and spectator. Bystander refers to someone who is present at the scene of an event but does not take part. An onlooker is someone who watches a situation or event but does not interfere or participate. An observer is someone who carefully watches and studies something without getting involved. A witness is someone who sees an event happen and can testify to what they saw. An outsider is someone who is not part of a group or organization, and a spectator is someone who is present at an event to watch and enjoy it but does not take part.
