I think trading Bitcoin is much safer. Bitcoin has been traded like stocks, with technical and fundamental analysis. It has a value, so the risk is much lower because it still has value even if the price drops, unless it gets delisted or is no longer traded. Legally, it is recognized. Then, from the perspective of certain religious beliefs that prohibit gambling, Bitcoin is risky but still manageable to learn. Gambling can be learned too, but if it's about guessing, we only rely on luck. IMO
Gambling is safer for me than trading Bitcoin because in gambling, I can build from small money to something big but this is not possible in trading Bitcoin. Secondly, I can easily get 2 to 3 odds in gambling and place bet on them with high probability of winning but such is not possible with Bitcoin trading since you cannot predict the Bitcoin market easily and the volatility of Bitcoin can even make a trader get burnt before the market continue moving in the direction he chose.
Both can lead to losses and even the loss of everything. Therefore, it can be said that both carry risks, and the level of risk will depend on the participant
If a trader trades Bitcoin based on emotion and high leverage. Meanwhile, gambler know how to control their emotion and greed, and know when to stop. Clearly, trading is riskier than gambling in this case. Conversely, if we trade according to a plan, with discipline and good risk management. In this case, gambling is riskier than trading
Risk is not entirely determined by the tool used, it depend on us and how we use it. Everything depend on us, do not blame them if things do not go as expected