S: (n) assistant, helper, help, supporter (a person who contributes to the fulfillment of a need or furtherance of an effort or purpose) "my invaluable assistant"; "they hired additional help to finish the work"
S: (n) worker (a person who works at a specific occupation) "he is a good worker"
S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
S: (n) pawn ((chess) the least powerful piece; moves only forward and captures only to the side; it can be promoted to a more powerful piece if it reaches the 8th rank)
S: (n) chess, chess game (a board game for two players who move their 16 pieces according to specific rules; the object is to checkmate the opponent's king)