Giving tochacha is an art . Aron Hakohen’s way is the model as to how it should be done.
“…..Sefer HaChinuch perek 239 that you should give someone tochacha privately and in a nice way; but if they don’t listen to you, then you should embarrass them in public so that they will do teshuvah…..”
Be wary of paskening such a sensitive issue by glancing in the good book.
Ask a rav and do soul searching before ; as per Yehuda & Tamar… from where Chazal learn ” It’s better to throw yourself in the fire……”