Back when I started (not counting WC3 mod) Dota had a limited mode you had to play prior to playing the full game. This limited mode had (iirc) 24 heroes. I liked Drow, as she has a straight-forward kit with lots of damage and decent ability to farm without regen.
I miss this mode, as you would not fight against Pudge or other complex 3 heroes. It was probably too difficult to balance so its gone now, but sticking to complex 1 and asking your brother whether he wants to save allies or save himself (support v core) and picking heroes that prefer to avoid the teamfight would be my advice.
Heroes that avoid teamfight and support are global heroes like Silencer, Zues, Treant protector, Tinker
Heroes that avoid the teamfight and core are Natures Prophet, Illusion cores, Lycan, Lone Druid, Faceless void.
And just to clarify, you cannot avoid all fights, but you can learn a lot by playing heroes that prefer to fight like these, from the shadows or by pushing the enemy base instead. It lets him see what an engaged fight is, and he has the option to contribute without the danger of feeding or losing.
Back when I started (not counting WC3 mod) Dota had a limited mode you had to play prior to playing the full game. This limited mode had (iirc) 24 heroes. I liked Drow, as she has a straight-forward kit with lots of damage and decent ability to farm without regen.
I miss this mode, as you would not fight against Pudge or other complex 3 heroes. It was probably too difficult to balance so its gone now, but sticking to complex 1 and asking your brother whether he wants to save allies or save himself (support v core) and picking heroes that prefer to avoid the teamfight would be my advice.
Heroes that avoid teamfight and support are global heroes like Silencer, Zues, Treant protector, Tinker
Heroes that avoid the teamfight and core are Natures Prophet, Illusion cores, Lycan, Lone Druid, Faceless void.
And just to clarify, you cannot avoid all fights, but you can learn a lot by playing heroes that prefer to fight like these, from the shadows or by pushing the enemy base instead. It lets him see what an engaged fight is, and he has the option to contribute without the danger of feeding or losing.