Don't use this word period.
Nobody is a "hacker", this is not even a real word.
Hack definition :
a quick solution that solves a problem, but does not solve it particularly well, or in a particularly good way.
Example :
I had a problem last week with the front of my house, I couldn't lock it with my key, the lock wasn't cheap and was change less than 6 month ago so I decided to call a locksmith about it. The lock wasn't the problem, the screw of the door legs got some lose, enough to have make the door moved from where it was suppose to be. He recommanded to change those screw with new one, larger in size to go more deep in the wall.
For the meantime, he did a hack the "fix" the problem.
Example 2 :
I made hundred of hack on my system, to fit to my need or to "fix" a bug.
Conclusion
Doing a hack for anything is pretty common for almost everything. Either we consider doing a hack make you a hacker like smoking make you a smoker or biking make you a biker and in this case, probably half the world population is a hacker or we stop using it period.