Let’s say a middle-aged librarian/writer had never played a video game. This person loves stories, language, and history and is not comfortable with graphic depictions of violence. This person would like to be immersed in a story that is also a game, and would prefer not to buy a whole bunch of stuff or acquire an entirely new skillset.
What’s the one game you would recommend?
@Julie For a game telling a story, check Unpacking. It's quite simple game, yet it moved me unlike most other games.
You can find it on multiple platforms. For computers, I recommend GOG: https://www.gog.com/game/unpacking
Unpacking

Unpacking is a zen game about the familiar experience of pulling possessions out of boxes

GOG.com
@Julie .. for what it's worth, I was once a librarian, so my recommendation is solid :)