As a newbie to the world of crypto alot is left unsaid by the senior members cause the feel like it is supposed to be a general knowledge or maybe learning in the process.
Learning about fundamentals of Bitcoin like how to have a good wallet (open-source, and non-custodial) to use, then backup and recovery process of a wallet, and about investment are very important for beginners.
If they are curious and want to learn about trading, it's good but it's best to learn about risk of trading, then stay away from trading.
This as cause a lot of newbie's to see the crypto world as scam or maybe the most difficult place to earn from we only see the success story of how people make it but nothing about the sacrifice that they have to make and all.
The market is a zero-sum game so if you want to trade, you must be aware of a fact that you can be either a winner or loser in this market. The fact about market is most traders are losers, not winners. It's another big risk warning about trading and I hope it's enough to keep you away from trading.
Investment is better and safer than trading, as you won't lose your money invested in bitcoin in the long term if you invest rightly. For example with Dollar Cost Averaging DCA strategy applied for your Bitcoin investment, and your bitcoin holding a long time like years, profit is mostly guaranteed.