Adjectives

(s)covetous, envious, jealousshowing extreme cupidity; painfully desirous of another's advantages“he was never covetous before he met her”, “jealous of his success and covetous of his possessions”, “envious of their art collection”
(s)jealous, green-eyed, overjealoussuspicious or unduly suspicious or fearful of being displaced by a rival“a jealous lover”