Komppaaja
Komppaaja is a Finnish term that broadly refers to someone who "comments" or "accompanies" another person, often in a supportive or advisory capacity. While the literal translation leans towards commentary, the practical application of the word is more nuanced and context-dependent. In everyday conversation, a komppaaja might be a friend who attends an event with someone to offer moral support, or a colleague who provides assistance and feedback on a project.
The term can also carry a slightly more formal connotation, particularly in professional or educational settings.