
On/from the sidelines
Observing Role
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.
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.
Passive Engagement
Indicates close observation or interest while not being actively engaged.

Parents often watch their children's sports games from the sidelines.
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