1. I really defy your behavior and your way of addressing to others.
Is this natural? No.This’s not a matter of ‘natural’ or‘unnatural’. The verb ‘defy’ can’t be used this way. You may simply say "I really don’t like (or dislike) the way you behave and the way you talk to others (or the way you address others).
There’re other verbs you can use to achieve the sam