Which of the following is an example of a mentor character archetype?

Scrooge is stingy and greedy with his money.

Bugs Bunny uses witty and clever maneuvers to get past obstacles.

Obi-Wan Kenobi trains and prepares Luke for his upcoming battle.

Baggins endures battling spiders, wood-elves, and a dragon.

Obi-Wan Kenobi trains and prepares Luke for his upcoming battle.