When you said Guile hero you meant a Dex-based attack instead of Str-based? In my mind, guile means using Charisma and manipulation... and your guy has a disastrous Charisma score... so I'm guessing you meant Dex-based.
You can save yourself a feat by going Half-Elf (take the Ancestral Arms racial) for quick Aldori Dueling Sword proficiency.
A good feat to take for Half-Elves, if you plan to multiclass a ton, is the Multitalented Mastery feat for extra Favored Class Bonus.
If you, instead, want to get to Swordlord the fastest you can so you can use your character in this low level campaign, I recommend taking one level of Cavalier, following the Order of the Cockatrice. This grants you Dazzling Display as a bonus feat at 2nd level. You'll probably be good to switch over to Swordlord at level 3ish (using Favored Class bonuses to pump Intimidate to 5 ranks), but I'd wait until level 4 so you can take the Horse Master trait to make your mount scale with your character level instead of your cavalier level.
You can go with either the Gendarme archetype or the Emmissary archetype if you do this, though I recommend Emmissary so you can fight well on and off the saddle.
You can further combine this with the Honor Guard archetype - kind of like a yojimbo! -, so you'd suck a bit more in the saddle due to not having Cavalier's Charge, but then again, it can let you take full advantange of your sky high AC to protect other teammembers.
At that point, you are ready to switch into the Swordlord next level up.
What next? Get Combat Reflexes to make full use of your increasingly ridiculous Dex levels, go for Shatter Defenses and Deadly Stroke, master a combat maneuver, get Combat Expertise to make the most of the Swordlord's features, get Antagonize to draw aggro, get Horse Master to have a mount that levels with your Swordlord levels...
What you would do with this character:
- High AC combined with Medium Armor and Swordlord AC bonus lets you be a frontline duelist that can dodge most attacks.
- Good mobility with Medium Armor thanks to Emmissary and a high Acrobatics check (getting to level 5 with Cavalier gets you free Mobility for you and your mount).
- Able to coax enemies to attack you by voluntarily taking AC penalties to Challenge or to protect your ward (thanks to Honor Guard).
- Really good team utility thanks to Honor Guard + Helpful trait + Combat Reflexes + High Dexterity... Reflexes gives you a ton of Attacks of Opportunity thanks to your high Dex, and Honor Guard allows you to transform that AoO into an Aid Another action to give +5 AC to an ally, which can increase to +6 if adjacent.
- Awesome Intimidate ability bonus. Remember that Order of the Cockatrice gives you an extra +2 damage against demoralzied enemies, so that will help you out during the early game. This damage piles up once you get iterative attacks and if you manage to set the enemy up for Attacks of Opportunity.
- Cool mount.
- And the best... AWESOME FLAVOR. You are a bodyguard knight that is bound to look for the biggest profit, with unmatched dueling skill and a silver tongue.