spectator
/spɛkˈteɪtə/noun
A person who watches an event, especially a show or sports match, without taking part.
Example sentences
- “Thousands of spectators lined the streets to watch the marathon.”
- “The spectators cheered as the players walked onto the field.”
Common in the phrase 'spectator sport'. More formal than 'fan', and neutral about whether the person cares who wins.