If you're a non-tank that isnt capable of much self- healing do not try to 1v1 lian at mid to short range as she is capable of bursting you down. Instead, use an element of suprise and go behind her when she is distracted.
He may attempt to use Reversal on your Stickybombs, be smart and don't aim directlly at him. He can still be hit by behind and the sides, a sticky bomb over him can deal significant damage, while he's unable to react.
Challenging Inara is unlikely to end in victory since you're a flank. Warder's Field will shut you down instantly. However, Inara is a high priority target for your Ult. Just make sure the area around her is moderately safe before landing the treat.