The Fluffy Squishy - Pet Conjurer & Ishtar - Pet Ritualist are my strongest builds atm.
But of those, only Fluffy Squishy really lets you play the game without even paying attention to most of the stuff. So, I will go with that.
Regarding new players, a pet Conjurer is easier to gear up and get running since it is easy to make an elemental pet build compared to other types. That plus all the auras and stuff gives it an advantage over Cabalists and Ritualists.
My Ishtar for eg, relies in endgame gear to perform. My Fluffy, even on faction items will perform adequately enough.
So, definitely Elemental Pet Conjurer.
I know atleast some players who don’t like Familiar due to the nature of its auto attacks and feel that it needs to be micro managed more. But even then, something like this would work rather well: https://www.grimtools.com/calc/a2dBvr9Z (Briarthorn is the focus here rather than Familiar)