Best solo leveling class

Hi people, I'm trying to find what would be the best solo leveling class and otherwise the best support for a party (I used to play Cardinal when I played L2 a few years ago but atm i dont know what is the best healer class)



There are 3 question:

-Best solo leveling class.

-Best party support.

-Best healer class.



PS: Please excuse my poor/bad English.