This is a completely amateur opinion, but: Does he have any interest? If so, then just keep talking to him and spending time together as usual. If not, then show your interest clearly, with a minimum of hints; maybe say directly that you like him. Men don’t like hints — here it’s either “yes” or “no” :)
Guys, I’m embarrassed to say this to him directly, there are more options
In the end both will have to say what they think).
Well, it seems to me that the simplest option—if you are constantly together—is just to keep it up: gradually both courage and, on the other hand, confidence will appear. The main thing here is not to drag it out if you see that everything is standing still, because, as a guy, I say, we are all “straightforward”, this uncertainty can ultimately push them apart, and the guy can burn out.
Find out what he is interested in, study the "topic" in detail, have conversations with him about his hobbies, and remember from time to time to say something like: "wow, you do it so well!"" . Just don't overdo the admiration! 😎