Leadership defined against its opposite is what this blog does well. Managers do things right and leaders do the right thing, runs the old line, and Rodrigo Orozco builds from it. Leading is not telling people what to do but showing a route and making them want to follow it.
He starts further back than most, with what empowerment actually means. The dictionary version concerns delegating authority, and he argues that the useful sense is the one you apply to yourself, beginning with knowing precisely what you want before anything else can move.
There are lists of the qualities and skills a team leader needs, and a post on team building that defines the term rather than assuming everybody agrees on it.
The writing is occasionally awkward and reads as translated in places, so some sentences need a second pass.
Read the empowerment post if you have been handed a team and nobody explained what the job actually is.