A person that is either afraid of games or is no good at them.
These people quite often try to bad mouth gamers or call them lifeless, as they fail to grasp a game and must assume that it takes years to get as good a 'gamer'.
The fear can show itself in extremes were people react to the fear by screaming and or posting anti-gamer rhetoric.
Gamerphobes have created an array of names for people that are capable of playing them.
Noun. An individual who is not homophobic because of his/her fascination with lesbians and bisexual women but is uncomfortable with the notion of gay men, or any action that may make him appear gay
Joe: Aw mannnn, you see that HLA? That's so fucking hot man!
Jim: Holy shit yeah, come closer you can see it better from here.
Joe: FUCK NO man don't get so close you faggot!
Jim: Dude, you're such a gayophobe.