Well, just for the sake of fun, I could argue that Luke only confronts one trained Jedi - his father - and that his father never wanted to kill him. Emperor Pal

Well, just for the sake of fun, I could argue that Luke only confronts one trained Jedi - his father - and that his father never wanted to kill him. Emperor Palpatine, instead, was having an easy time killing him, and was only stopped by Anakin.