Need a season jungler to help me

Looking for a good jungler to help me learn how to properly jungle i have a decent champion pool but i seem to get narrow sighted on ganks vs farm and how to set up late game if its deem necessary for win thank you in advance

Champ pool:

i play all them in the jungle however its to the point to where 1-3 games are good other then that i normally get carried or lose if i jungle