Can someone coach me? (Any role)

I am a Silver V ADC/Jung main, currently sitting at a 28% win rate (Which I realize is pretty bad), I'm one of those people that want to become at least decent at any role, I like multiple champions in each position, so I'll take lessons on any role. But if you main Jungle or ADC, that would be even better.

I play a lot of champions, probably why I am not doing so well in ranked, but here is a list of who I mostly want to get lessons for: Tristana, Draven, Braum, Master Yi, Kindred, Gangplank, Zed, Gnar, Fiora, Shyvana, Ahri, Lucian, Nasus, Katarina, Bard, Shaco, and Kayle

If you main a champion that isn't on this list, that's fine with me, just depends if I have him/her or not