Functionary and Worker

noun

• A worker who holds or is invested with an office.
  • synonyms: official

(n.) One charged with the performance of a function or office; as, a public functionary; secular functionaries.

noun

• A person who works at a specific occupation.
  • usage: "he is a good worker"
• A member of the working class (not necessarily employed. )
  • usage: "workers of the world-unite"
  • synonyms: proletarian, prole
• Sterile member of a colony of social insects that forages for food and cares for the larvae.
• A person who acts and gets things done.
  • usage: "he's a principal actor in this affair"; "when you want something done get a doer"; "he's a miracle worker"
  • synonyms: actor, doer

• (n.) One of the neuter or sterile, individuals of the social ants, bees, and white ants. The workers are generally females having the sexual organs imperfectly developed. See Ant, and White ant, under White.
• (n.) One who or that which, works; a laborer; a performer; as, a worker in brass.