Used when someone is present at an event but does not take an active part in it. The consultant stayed on the sidelines during the team's brainstorming session.
Pro Tip 2/3
Advisor Position
Implies a person has a role to give advice or feedback without direct involvement. The former CEO now contributes from the sidelines as an advisor.
Pro Tip 3/3
Passive Engagement
Indicates close observation or interest while not being actively engaged. Parents often watch their children's sports games from the sidelines.