People won't be satisfied with this description (7)
I believe the answer is:
envious
If this is the answer, I'm afraid I cannot explain it.
Can you help me to learn more?
(Other definitions for envious that I've seen before include "Full of jealousy" , "Grudging of others" , "Green, in emotion" , "Green-eyed" , "Oi, Venus (anag.)" .)