People known one who would die for posts as power hungry. Personally, it isn't something that bad, if and only if, that particular person is capable enough to handle it. There are people who took up several tasks, not knowing the responsibilities that have to be carried out. At the end of the day, not able to complete the duty. So, being power hungry is one thing, capability is another. To be acknowledged, power hungry isn't the only way, but showing your capability too.
