She was my 'sponsor' at my confirmation. [=she helped to prepare me for my confirmation]
He agreed to be my 'sponsor' so that I could join the club.
The tournament is 'sponsored' by local businesses.
(..) a knife or even some matches can mean the difference between life and death. And those things only comes from Sponsors. And to get Sponsors, you have to make people like you. And right now, sweetheart? You're not off to a really good start. (..)2012 The Hunger Games
(..) You're our mentor, you're supposed to go... Encore. Yeah. Our mentor is supposed to tell us how to get sponsors and give us advice. Oh, okay. Ummm... Embrace the probability of your immanent death. I know. (..)2012 The Hunger Games