This template's goal is to make linking to character pages in the Pokémon namespace quicker and cleaner.
{{ShirenC|Sensei}}
will result in:
Sensei
As opposed to:
[[Shiren:Sensei (character)|Sensei]]
{{Shiren|Sensei (character)|Sensei}}
This is the documentation page, it should be transcluded into the main template page. See Template:Doc for more information.