How to stop people trolling

Trying to get my account to lvl30 to start ranked, I really hope it won't be as bad as this experience. I was a jungle main in high diamond a couple of years ago and just came back and never have I experienced something as horrible as playing jungle at this low level. They just blame you for everything and afk/troll when you don't do things their own way. Is there anything you can do to stop this, I'm telling people nicely that I won't gank their lane because there's no kill potential and in some situations counter jungling the enemy is a better option etc. Only started playing again for a week or so and I'm ready to quit again.
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