1-20

Loyal henchmen: The rag-tag band the Inquisitor has collected over the years form his die-hard bodyguard.

21-40

Death cultists: A small number of devout Death cultists protect the Inquisitor.

41-60

Guardsmen: A squad of veterans or stormtroopers form the bodyguard of the Inquisitor.

61-80

Psionic personnel: Either a powerful psyker or untouchable protects the Inquisitor.

81-100

Exotic: This could be Ordo-specific (Crusaders for the Ordo Hereticus, an Eldar Ranger for the Ordo Xenos, etc), or something unusual such as a unit of Skitarii or even a Space Marine!