"merchant mariner" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "merchant marine",
        "3": "er"
      },
      "expansion": "merchant marine + -er",
      "name": "suf"
    }
  ],
  "etymology_text": "merchant marine + -er",
  "forms": [
    {
      "form": "merchant mariners",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "merchant mariner (plural merchant mariners)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -er",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nautical occupations",
          "orig": "en:Nautical occupations",
          "parents": [
            "Nautical",
            "Occupations",
            "Transport",
            "People",
            "Work",
            "All topics",
            "Human",
            "Human activity",
            "Fundamental",
            "Human behaviour"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A sailor who works on a merchant marine (vessel), that is, in a merchant marine (fleet)."
      ],
      "id": "en-merchant_mariner-en-noun-jxf6OWjZ",
      "links": [
        [
          "sailor",
          "sailor"
        ],
        [
          "merchant marine",
          "merchant marine"
        ]
      ],
      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "marino mercante"
        }
      ]
    }
  ],
  "word": "merchant mariner"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "merchant marine",
        "3": "er"
      },
      "expansion": "merchant marine + -er",
      "name": "suf"
    }
  ],
  "etymology_text": "merchant marine + -er",
  "forms": [
    {
      "form": "merchant mariners",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "merchant mariner (plural merchant mariners)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms suffixed with -er",
        "Translation table header lacks gloss",
        "en:Nautical occupations"
      ],
      "glosses": [
        "A sailor who works on a merchant marine (vessel), that is, in a merchant marine (fleet)."
      ],
      "links": [
        [
          "sailor",
          "sailor"
        ],
        [
          "merchant marine",
          "merchant marine"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "marino mercante"
    }
  ],
  "word": "merchant mariner"
}