He should be a deployer, and he wants to be one.
But it's Saturday!
Seriously though, deployer like "I know the basics and can push out a change I need by myself without help from releng/someone who knows"? Or "I'd like to join the SWAT team or rollout a MW train some week"? :)
I'm assuming the prior. In that case that's much easier and I'm sure someone can show you around the process here in Montreal. Looks like you need to be added to the 'deployment' group: https://phabricator.wikimedia.org/source/operations-puppet/browse/production/modules/admin/data/data.yaml;c06f7bb640f8b033b23891a2e8bab51757e683bc$53