The product/project is part of OS2's portfolio and is maintained according to the model defined by the association OS2.
are those whose primary relationship to the product/project is to consume/use it's code and othere results.
are those who make contributions to the product/project, ranging from casual to significant, but who aren't responsible for it's overall success.
are those who are responsible for the future of a project's repository (or respositories), whoses decisions affect the project laterally. Maintainers can be thought of as "trustees" or stewards of the project/product.