Commoners in D&D 5e

everything-narrative:

• HD: 1d6
• Attributes array: 13, 12, 11, 10, 9, 8 (point buy 15, start at 8, caps at 13)
• Proficiency bonus: +2
• Weapon/Armor Proficiencies: as Wizard.
• Skills Proficiencies: any one skill or tool
• Background: two-ish skills, one artisan’s tool/instrument/game set/language

Upgrades:

• Tracker: +1 HD, proficiency in Survival, shortbows, spears, javelins
• Hedge witch: proficiency in two of Nature, Medicine, Alchemist’s Supplies; Ritual Caster or Magic Initiate feat.
• Millitia: +1 HD, proficiency with simple weapons, shields, light armor.
• Mayor: one of the Skilled, or Linguist feats, +2 Charisma.