Well, lets see, While the tenno are very strong, don't forget that Hunhow gave us one of the only things that could really kill her (Nataruk), and by New War Paracesis is a thing...

Stalker: "Your actions have consequences..."

Fully kitted frame with Nataruk, Paracesis, and Operator void bullshit: YoUr AcTiOnS hAvE cOnSeQuEnCeS

Personally, I think the match would in total be a draw, with the move where stalker just absorbs all damage Nyx style.

A tenno with a well modded sakana can kill a stalker with ease

Now what if lotus vs hunhow no stalker or tenno?

I think hunhow wins then

Yeah plus hunhow is lotus father

Easy: Lotus.

Hunhow is her father, he would only try to hold her back, never really harm her.

Lbr, Stalker is of no consequence. Easily dispatched by rookie-operated, Default Frame anda Mk-I Lato.