Contradiction with Matthew 6:3
This verse advises giving in secret, contradicting the public administration and appointment for aid in 2 Corinthians 8:19.
Matthew 6:3: But when thou doest alms, let not thy left hand know what thy right hand doeth:
Contradiction with Proverbs 27:2
This verse emphasizes letting another praise you and not your own mouth, while 2 Corinthians 8:19 highlights the praise of Titus by others.
Proverbs 27:2: Let another man praise thee, and not thine own mouth; a stranger, and not thine own lips.
Contradiction with Galatians 1:10
This verse indicates serving Christ and not seeking to please men, whereas 2 Corinthians 8:19 involves appointed human judgment and approval.
Galatians 1:10: For do I now persuade men, or God? or do I seek to please men? for if I yet pleased men, I should not be the servant of Christ.
Contradiction with Matthew 23:5
This verse criticizes those who do works to be seen by others, whereas 2 Corinthians 8:19 discusses an appointed position in the open.
Matthew 23:5: But all their works they do for to be seen of men: they make broad their phylacteries, and enlarge the borders of their garments, [phylacteries: pieces of parchment containing sentences of the law]