What are the chief sins against charity? The chief sins against charity are hatred of God and of our neighbor, envy, sloth, and scandal.
Charity does not envy. (I Corinthians 13:4)
Besides the sins against faith, hope, and charity, what other sins does the first commandment forbid? Besides the sins against faith, hope, and charity, the first commandment forbids also superstition and sacrilege.
Further reading: CCC 2093-2094