A friend of mines has been infatuated by Judaism for as long as I can remember. He came from the Christian world and has since left it. Even as a Christian he would take 10% of his income and give to local charities. He also would use this money to buy seforim for himself and others for learning.
So are Non-Jews/Noahides expected or encouraged to do maaser kesafim (setting aside 10% of take home income)? And what can/should the monies go to?