I'm interested in learning to jungle during the preseason to increase my ability to affect the games I play in. I'm interested in a couple junglers: Sejuani, Vi, and Pantheon, but am open to hearing different suggestions, so I turn to the community. I'd like to be able to get dirty and do some fighting, survive and get kills and go on. Vi seems very good for this, are there others?
Ralanr2 votesSounds like you want some gankers. Vi, Pantheon, and Rengar all have good pre 6 gank potential.
Mira Arya Enthe2 votesBy your preference you would likely enjoy 
as well
EndlessSorcerer2 votesI would recommend the following champions for jungling in lower ELOs:
High durability and damage, reliable CC, good ganks and scaling, simple to play.
THE D1C2 votesAs a jungler who seems of like mind, don't under estimate a Diana jungle, with her W she can toe to toe fighter, dive with R and "brush check" with Q.
GiveMeUrMilk2 votesVi is my favorite jungler. And she will be the first I hit mastery 7 on. She has a very solid first clear that isn't too harsh and her ganks pre 6 are very strong, and post 6 are an almost guaranteed kill.
Sejuani is a classic tank jungler. Vi and Pantheon are divers. Sejuani does less damage but will bring more CC to the team. Vi and Panth both have CC but deal large amounts of damage and are not true tanks. if that's the kind of style you are looking for:
Rek'Sai: she has kind of become a knock up bot yes, but she does solid damage and is tanky and has great initiation and global pressence
Olaf: True damage on his E, a slow on Q, An ult that makes him immune to CC. Olaf gets in, rushes down enemies for kills and gets out. He has no ahrd CC though, so he is not the best choice if your team has no hard cc
Zac has great engage with His E which lets him come from odd angles. He also has a great amount of CC and does respectable damage
There are plenty of junglers out there. Find one you like and from there you can branch out and play others similar to them.
THE D1C2 votesDiana was my first 6 and Vi was my first 7 :D
When behind, all else fails become a meat shield build titanic. Always works :D
GiveMeUrMilk2 votesSatisfaction guaranteed!
But yeah, that's really the only way to play Rek'sai these days sadly. But it is a valid strategy.
nightman3602 votesi main sej and you coming from support main this is a very strong pick imo bc you already have the team mindset. ww is the easiest jg to learn on imo. amumu is also extremely easy to learn. gl and hi5.
edit i consider sej to be the secret opop
Rabbi of Doom1 votesThank you all for the replies and suggestions, I greatly appreciate it.