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Jyutping lou6 tau4 zi2 gung1
Pinyin lù tóu zǎi gōng

Definitions (Wiktionary)
  1. noun, Zhangzhou-Hokkien, dated
    docker; stevedore; longshoreman
    (syn.) 路頭工, 路头工, 碼頭工人, 码头工人