good, do one 1
make prosper, enable to succeed
2H6 I.ii.77 [Duchess to Hume, of Jourdain and Bolingbroke] will they undertake to do me good?
3H6 III.ii.38 [Edward to Lady Grey, of her children] would you not do much to do them good?
MA I.i.269 [Claudio to Don Pedro] your highness now may do me good