A champion is a being or person that has been summoned to wage battle in the League of Legends on the Fields of Justice. They are the player-controlled character in League of Legends.
A hybrid champion between tanking and DPS that combines the survivability of a tank and the damage of a DPS or a caster. They were formerly called Bruisers.
A champion who forgoes fighting in a lane in order to obtain experience and gold from killing creeps in the jungle.
A champion type whose forte is rapidly ambushing and slaying enemy champions. They have abilities that may include stealthing themselves or having a strong dash skill.
ADC, aka Attack Damage Carry, is an archaic term used to refer to a champion that deals strong, continuous damage with their basic attacks and scales with attack-related stats – i.e. attack damage, critical strike chance and attack speed. The role was retired in official contexts and replaced with Marksman, to distinguish between ranged autoattackers
A category of champions whose forte is to support his/her allies’ performance.