aide (n.)

• acolyte
• adjutant
• agent
• aid
• aide-de-camp
• aider
• ally
• assistant
• attendant
• auxiliary
• brigadier
• captain
• coadjutor
• cohort
• colleague
• colonel
• commandant
• commander
• comrade
• deputy
• exec
• general
• generalissimo
• help
• helper
• helpmate
• helpmeet
• lieutenant
• major
• marshal
• officer
• paraprofessional
• partner
• second
• servant
• sirdar
• subaltern
• sublieutenant