Sad and stingy probably would not work in this situation, but sly and mean are possibilities. Although either could be correct, I would go with sly, which means they are sneaky and conniving. I’m not a 100% sure, but I believe sly is the best answer. I hope this helps!
Thanks I really needed this you are the best
The Petrarchan sonnet divides the 14 lines into two sections which are an eight-line stanza (octave) rhyming ABBAABBA, and a six-line stanza (sestet) rhyming CDCDCD or CDECDE.