sideliners
/ˈsaɪdˌlaɪnərz/
noun
- Plural of sideliner; people who watch or are not actively involved in an activity or situation.
- The sideliners at the park watched the basketball game from the benches.
- The debate attracted many sideliners who just wanted to hear the arguments.
- In any group project, there are always a few sideliners who let others do the work.