Sponsored.

Please ask him to subscribe to the required mailing-lists:

« You must join the fedora devel-announce mailing list. It is a low traffic
announcements only list, where important development information is posted.
https://lists.fedoraproject.org/archives/list/devel-announce@lists.fedoraproject.org/

You can join the fedora devel mailing list, where discussions about the
development of Fedora are held. This is a high traffic mailing list.
https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/

Another mailing list you might consider (at least to view the archives) is
packaging. This is the mailing list of the Fedora Packaging Committee, who
determine the official packaging guidelines for Fedora projects.
https://lists.fedoraproject.org/archives/list/packaging@lists.fedoraproject.org/
»

Please guide him to "Configure Your Git and Install the developer client
tools" here
https://fedoraproject.org/wiki/Join_the_package_collection_maintainers?rd=PackageMaintainers/Join#Configure_Your_Git
(the Kerberos part is needed before interacting with Koji and dist-git,
help regarding Kerberos here: https://fedoraproject.org/wiki/Infrastructure/Kerberos )

Also ask him to read fedpkg request-repo --help and fedpkg request-branch --help
(He might need to set up an API key for fedpkg to work)