He's a mere 'amateur' when it comes to cooking. [=he doesn't know how to cook well]
She played soccer as an 'amateur' before turning professional.
These photos were taken by both 'amateurs' and professionals.
(..) I will let you know when I'm available. Yes, ma'am. You should talk to your husband. I'm not leaving here until we have an agreement. But you're an amateur, Claire. You fly in, you puff up your chest and you pretend to play president. But what would you be without your husband? Nothing. (..)2016 TvShow: House of Cards Title: Chapter 45 Season: 4 Episode 6