A highly mobile fighter who attacks with a Finesse weapon. Is very observant and built for acting first with a high Inititive bonus (up to +17). The Alert Origin allows this fighter to swap Inititives with an ally for high tactical flexibility. Additionally, they use a Rapier for the high Finesse damage and have the Duelist style for extra damage.
Overview
Fighter
Battle Master
Rispote
Commander's Strike
Percision Attack
Disarming Attack
Harengon
For jumps and Hare-Trigger
Feats
Duelist (Fighting Style)
Pircer (Lv 3)
Defensive Duelist (Lv 6)
Moderatly Armored (Optional, could use light armor)
Criminal
Alert
Dex (+2) & Con (+1)
Stats
Dexterity
Constitution
Wisdom
Equipment
Rapier
Best Finesse weapon availible. Remember to use its Mastery
Shield
Does not affect Duelist
Medium Armor
Good if you have Moderatly Armored. You might be better off with Studded Leather, but definitly don't take disadvantage on Stealth checks
Multiclassing
Rouge would be best for Expertise (Perception), Sneak Attack and Cunning Action but isn't integral.