Golemancy: He maintains and hopefully, some day, creates animated constructs.
Scrap Art! Tag builds statues out of whatever is lying around, with an eye to some day maybe bringing them to liiife!
Mechanic: Need some maintenance on that fancy car? Comfortable bringing it somewhere fancy cars go to die? Tag knows what he's doing!
LGBT: Or more nebulously Q. Nobody believes you're bi when you're a twink! Tag will get drunk at your party and flirt with your husband. If, y'know. You're cool with that.