Watcher

He's a bird watcher.

Tom's a keen hiker and bird watcher.

I'm not a big TV watcher.

Tom is a bird watcher.

An avid watcher of nature documentaries, Bell said that she and her young daughters Lincoln and Delta particularly love David Attenborough and the "Planet Earth" series.

I know that Tom is a bird watcher.

I know Tom is a bird watcher.

Are you a bird watcher?

Near-synonyms: watchman, watchwoman

the Book of Watchers