(ש"ע) איש מעש

n. one who does something, one who accomplishes things, achiever

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Noun
1. a person who acts and gets things done; "he's a principal actor in this affair"; "when you want something done get a doer"; "he's a miracle worker"
(synonym) actor, worker
(hypernym) person, individual, someone, somebody, mortal, human, soul
(hyponym) demon
(derivation) do, perform

v. ache, ail; pain, hurt; sting, tingle

(v. t. & i.)
One who does; one performs or executes; one who is wont and ready to act; an actor; an agent.
  

(v. t. & i.)
An agent or attorney; a factor.