Mark 10:21 "And Jesus looking on him, loved him, and said to him: One thing is wanting unto thee: go, sell whatsoever thou hast, and give to the poor, and thou shalt have treasure in heaven; and come, follow me."
This was an appeal to the rich man's free will; no government coercion or redistribution of wealth involved. Forcible redistribution is the antithesis of charity.
If that isn't a commandment, what is?