You need to play as much agressive as you can, partecipate in every fight, stack up trophy and be annoying as fuck. In late mid and late game you should become your team heart and lungs, heal and buff with tempo BE BEST DOCTOR EVER
Also you don't need to farm if you fight with your team, you can take small jungle stack, but not much. After lane phase go to other lanes to help them or if your mate decide to go instead of youfarm stacks on your line and try to take out some enemys