Strife means bitter conflict, discord, antagonism, a quarrel, struggle, clash, competition or rivalry. Strife robs us of peace and joy. 

Living a strife-free life is possible when we walk in love and humility

I find it particularly instructive that Esau was Hebrews 12 example of godlessness.. Esau’s crime essentially was that he lacked the fear of the Lord. He had no regard for holiness and righteousness