What is referred to by 'a ruthless greedy person'?

Based on the clue 'a russian play based on a folk tale inspired the s...', what is the answer? What is associated with: a russian royal family july 16 1918? Based on the clue 'a rusty nail combines this potent potable drambui...', what is the answer? Based on the clue 'a ruth etting hit from the 20s its second line is ...', what is the answer? Based on the clue 'a s am delicacy this water dwelling herbivore was ...', what is the answer? Based on the clue 'a sabine god of war quirinus gave his name to one ...', what is the answer? Based on the clue 'a sack dress with box pleats in the back was named...', what is the answer? What is referred to by 'a sacred sister'?