Thug
The thug is a hired weapon, not even of quality enough to be a mercenary. In general you cannot trust them but if you give them a job bashing in people's heads they will usually be glad to oblige for even a little coin.
Below are some sample thugs, of the type that can be found most anywhere.
1st level Thug
Medium Human
Strong 1
HD: 1d10
HP: 19
Initiative: +7
Speed: 10 feet
AC: Base: 17 (10 + 7 dex) With CA: 18
CA (att/def/counter/speed): +2 (+1/+1/0/0)
Attacks: Club +9 (1d4+10) or Dagger +9 (1d4+10/19-20)
Special Qualities: Immense Strength 1
Saves: Fort +10, Ref +7, Will +6
Skills ranks (total/ranks): Athletics +2, Awareness +2, Handle Animal +1 (Ride +10/2), Negotiate +1 (Intimidate +8/2), Stealth +2
Feats: Simple Weapon Proficiency, General Martial Weapon Proficiency, Light Armor Proficiency, Simple Shield Proficiency, Brawler, Improved Grab, Improved Grapple
STR 8, DEX 7, CON 9, INT 5, WIS 6, CHA 5
Equipment: Club, Dagger x2, Leather Armor, 1 Torch (pitch)