Brown +1. All harnesses will stop you from dying, there’s no such thing as a ‘bad’ harness. You pay extra for features; extra padding, coated gear loops, and whatever other ‘must haves’ that their marketing team want to convince you that you need this week.
Priority number one for a beginner should be ‘is it comfortable?’ Go to a good climbing shop and get advice from an shop assistant who actually climbs. Try a few on; a good shop will have a roped crab that you can clip into so you can test it under load.
When I bought mine back in the late Jurassic, I ended up with a fully adjustable harness because it was the only way I could get one that fitted; they were relatively rare back then and you paid a premium for it, these days it looks like it’s harder not to find a fully adjustable one. So, the world’s your mollusc really.
I said chalk is banned on some walls and it is, Cougar.
No, you didn’t. You said chalk bags are banned, which is nonsense.