Harbinger is closer to super edgelord magus. Semi-monk (and semi-rogue) would be Stalker. Monk comment was about personality and look.

Edit: Oh no, I breakeded it. ;~;
Edit2: [i]Sigh.[/i] I really don't want to play a Harbinger. I'd rather play a Mystic. But they take so much extra work, what with their randomly determined abilities EVERY TURN. (Which is also why I like them, coincidentally. Well, that, and their abilities are exactly like [url=https://www.youtube.com/watch?v=Vt9vl8iAN5Q]Weiss Schnee[/url], with glyphs and elemental weapons and everything). I'll still play a Harbinger, since I made this character and everything, and they're less complicated.
([url=http://www.d20pfsrd.com/path-of-war/classes/mystic]Mystics[/url] are also closer to mages, as close as one can get without playing one. And I like mages. And then we wouldn't have so many warrior types. OR I could go [url=http://www.d20pfsrd.com/path-of-war/classes/stalker]Stalker[/url] and be the rogue type we need. Linked them in case you would prefer ones that don't make optimizations-sensitive GMs uncomfortable.)
Edit3: Strongly leaning to Mystic.