Understanding NPC Leaders, Profession Names and Types:

Commander = Full Leader bonus (+25%) (has combat-related skills)

Warlord = Partial Leader bonus (+12%) (has combat-related skills)

Warrior = No Leader Bonus (+0%) (has combat-related skills, is a separate entity like an Extra)

Magister = Full Leader bonus (+25%) (has combat-related spells)

Magic User = Partial Leader bonus (+12%) (has combat-related spells)

Hedge Mage = No Leader Bonus (+0%) (has combat-related spells, is a separate entity like an Extra)