I played very little of valorant and I'm really bad. I panic when shooting and using my ability. What agent is easiest for begginers and how do I stop panicking?

I've requested here on the subreddit before, and I'm not sure the impact it has, but I do think this is worth mentioning as it would be a great quality of life improvement. In the collection menu, next to the buttons reading "Skins" and "Bu...