underling (n.)

• assistant
• cog
• commonality
• commonalty
• creature
• dependent
• employee
• feudatory
• flunky
• follower
• hanger-on
• helper
• inferior
• junior
• lackey
• liege
• lightweight
• masses
• minion
• myrmidon
• pawn
• peon
• retainer
• scrub
• secondary
• serf
• servant
• slave
• stooge
• subaltern
• subordinate
• vassal
• yeoman
• yes-man