Look, I'm not some bug-collecting hobbyist.

Hobbyists still use Civil War munitions.

Known as An Open Letter to Hobbyists, Bill Gates writes,

"Jesus, you gotta be kidding me. I'm a hobbyist.

- You're the police, right? - Well, more of a hobbyist.

And the Lot is for hobbyists who paint lighthouses and lobster boats.

As the majority of hobbyists must be aware, most of you steal your software.

Now, for the record... how long, actually, have you, uh, been a... hobbyist?

No, he was more than just a hobbyist. Did he focus on anything in specific?

A hobbyist does not play with toys, he works with replicas.