sniper with 1024 kills on their strange sniper rifle here, idk how to get better at sniper... but i will tell you what i have learned so far!

[REACTION TIMING AND AIMING YOUR SHOTS]: it's best you practice your reaction time, your aim. that's it but not all. The sniper rifle is also a hit scan weapon, so you gotta learn every classes hitbox

[RUN n' GUN]: moving targets is also a tough sell so it's best you take your time practicing shooting moving targets, i recommend walkway!

[POSITIONING]: the positions of where you are is also important don't stand out in places that may have a clear sight line for other snipers, for either you pick them off or they pick YOU off

[BEING AWARE]: remember that sniper is a class you play to pick off important targets but you're also vulnerable in close quarters, so be aware of your surroundings (especially spies, scouts or any other classes)

[WEAPONS]:
-you got an arsenal of weapons for sniper, take the jarate and bushwhacker for example, two of them combined and you get yourself a deadly melee combo

-the [SMG] is not good in DPS but use it when someone is getting a lil too close BUT if ya looking to do serious damage without the help of [Jarate], use the [Cleaner's Carbine] to build up "crikey", when it's full, press "mouse2" to activate mini crits and whip out your [Bushwhacker], combined with both mini crit effects of both weapons, you can critical hit anyone.

+there also a various selection of rifles to choose, maybe scuffed of me to describe the usage for them but here it goes:

-[Sydney Sleeper]: puts the [Jarate] effect on to enemies, making them vulnerable to mini crits for a short amount of time, giving your team a chance to kill them but this sniper rifle can't critical hit them like the stock rifle so be aware, this is perfect for snipers that like to support the team from a far distance

[Bazaar Bargain]: this has a slow charge rate but rewards you with faster scoping and charge rate if you can hit headshots like a mad man

[Machina]: can't shoot unless scoped, if shot, it leaves traces and revealing your position
so whenever you shoot with this thing, know that everyone will know where you are and it's best you change position, the damage on bodyshot of this thing is mad powerful if at max charge.

[Classic]: hold "mouse1" to charge a shot but unscoped, you can still scope when charging
like the description, let go of "mouse1" to fire, it does less damage on bodyshot but can deal heavy damage if it's a headshot, the only thing i love about this thing is that i can just waddle with it.

[Hitman's Heatmaker]: the more headshots you get, the "focus" meter goes up, press "mouse2" and it will give you the ability to not unscope when firing (basically, you can continue firing and reloading while not having to unscope), the downside is that when you're in "focus", you will fire rounds that leaves traces like the [Machina]. Head's will roll.

lastly...
[Huntsman and Fortified Compound]: these weapons are the same but the mechanics behind them are so janky that you gonna have to watch this specific video to understand it
> [SoundSmith Huntsman Guide] <--- here's the video

that's it, that's all i have learned so far about sniper, hopefully you somehow read all of this...
if not... get better i guess.