My brothers, show no partiality as you hold the faith in our Lord Jesus Christ, the Lord of glory. James 2:1
Whenever we have favoritism in our hearts toward certain people, we not only sin against God and entertain evil thoughts, but we often end up with greater insecurities in our own hearts. When we view people as godlike or better than we are, we also view ourselves as unworthy. Favoritism distorts our view of others, ourselves, and God.
Favoritism fosters distortion in our hearts and minds in at least three ways.
Read more in an article by John Perritt at Desiring God