not rendering evil for evil, or reviling for reviling; but instead blessing; knowing that to this were you called, that you may inherit a blessing.

 She must be submissive. It is not a spineless submission that is meant but, as someone has finely put it, a "voluntary selflessness." it is the submission which is based on the death of pride and the desire to serve. It is the submission not of fear but of perfect love. 