役夫 is read as えきふ (ekifu) and means laborer.
えきふ
ekifu
ざつえきふ
handyman
ぶえき
slave labour
やくにん
government official
やくわり
part
やく
part (in a play, film, etc.)
やくしょ
government office
やくめ
duty
やくしゃ
actor
やくば
town hall
やくにたつ
to be helpful
やくだつ
to be useful
やくいん
director