technician (n.)

• adept
• aficionado
• amateur
• apprentice
• artificer
• artisan
• artist
• attache
• authority
• buff
• connoisseur
• consultant
• craftsman
• critic
• dilettante
• diplomat
• diplomatist
• expert
• fan
• freak
• graduate
• journeyman
• marksman
• master
• mechanic
• nut
• politician
• prentice
• pro
• professional
• professor
• pundit
• savant
• scholar
• shark
• sharp
• specialist
• statesman
• wright