Contradiction with Genesis 4:9
Cain's refusal to acknowledge his brother contrasts with Joseph's inquiry about his brothers' welfare.
Genesis 4:9: And the LORD said unto Cain, Where [is] Abel thy brother? And he said, I know not: [Am] I my brother's keeper?
Contradiction with Matthew 5:44
The teaching to love enemies contrasts with Joseph's kindness being specifically towards his brothers.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with 1 John 3:12
Cain’s behavior towards his brother is contrary to Joseph's attitude towards his siblings in Genesis 43:29.
1 John 3:12: Not as Cain, [who] was of that wicked one, and slew his brother. And wherefore slew he him? Because his own works were evil, and his brother's righteous.
Contradiction with Proverbs 19:4
This verse suggests riches bring many friends, contrasting with Joseph's sincere concern irrespective of wealth.
Proverbs 19:4: Wealth maketh many friends; but the poor is separated from his neighbour.
Contradiction with James 2:1
Favoritism is cautioned against, contrasting with Joseph's specific focus on Benjamin.
James 2:1: My brethren, have not the faith of our Lord Jesus Christ, [the Lord] of glory, with respect of persons.