[{quoted}](name=Critmaster Garen,realm=NA,application-id=3ErqAdtq,discussion-id=RLT1TRux,comment-id=00000000000000000000,timestamp=2018-12-06T13:58:01.755+0000)
juggernauts are a sub class of fighters.
you have fighters divided into juggernauts and divers.
voli is a jugger, trundle is a jugger, warwick is a diver.
I had a huge post, and then my stupid phone ate it. I'll try and make a tl;dr version.
In my mind there are three classes of "Fighter". (Which is really just an generic term for "Mostly melee ranged person that is durable and hits people to death." from way back in LoL's infancy years.)
Diver - Powerful, reliable, and immediate single target access. They often pay for their mobility and high damage by being relatively fragile off base kit alone. Xin, Vi, Nocturne, Irelia, Kled. A fed Diver is every ADC's worst nightmare due to reliable engage married to solid damage and item based durability.
Duelist - Mixed damage that is hard to itemize against with a balanced amount of survivability and sticking power makes it difficult to 1v1 them. Warwick, Trundle, Volibear, Yi, Fiora, Nasus, Jax, Udyr. (Nasus can reach Jugg levels of raw damage off his Q, but only if allowed to farm.) The Duelist is damn near impossible to kill 1v1.
Juggernaut - Extreamly limited mobility in exchange for high innate durability and massive amounts of AoE damage. They often have little attack speed in comparison to most fighters and their damage comes from powerful abilities. Garen, Darius, Illaoi, Sion, Rumble, Mordekaiser. They are the team fight kings of the "Fighter" class.