To the extent that the person becomes neglectful of all else, including ethics, rights, etc.?
Example: Those who are [word] are so indulged in satisfying their whims and desires that they forget that death shall soon arrive, separating them from all they acquired and delivering them to a stage of reckoning and justice for all the injustice and cruelty they committed.
Best Answer
My first thought was Hedonist. Oxford (linked on the word) gives the definition as “A person who believes that the pursuit of pleasure is the most important thing in life; a pleasure-seeker”, which doesn’t include the implications of ignoring or neglecting things beyond pleasure, but is nevertheless generally perceived as negative.