It's like a WikiGnome.

''Actually, as originally used it was different. A WikiGardener plants things, tend, prunes, tidies and generally nurtures. A WikiGnome fixes small flaws and does little maintenance jobs. Both are essential, but I aspire to be a WikiGardener.''

''Perhaps this original meaning should be more widely publicised so that more people realise that such a role is a worthy goal.''

WikiAgent