"radio operator" meaning in English

{
  "forms": [
    {
      "form": "radio operators",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radio operator (plural radio operators)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Occupations",
          "orig": "en:Occupations",
          "parents": [
            "People",
            "Work",
            "Human",
            "Human activity",
            "All topics",
            "Human behaviour",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A person who, often as employment, sends and receives radio messages."
      ],
      "id": "en-radio_operator-en-noun-6A92verQ",
      "translations": [
        {
          "code": "el",
          "lang": "Greek",
          "roman": "asyrmatistís",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "ασυρματιστής"
        }
      ]
    }
  ],
  "word": "radio operator"
}

{
  "forms": [
    {
      "form": "radio operators",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radio operator (plural radio operators)",
      "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",
        "Translation table header lacks gloss",
        "en:Occupations"
      ],
      "glosses": [
        "A person who, often as employment, sends and receives radio messages."
      ]
    }
  ],
  "translations": [
    {
      "code": "el",
      "lang": "Greek",
      "roman": "asyrmatistís",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "ασυρματιστής"
    }
  ],
  "word": "radio operator"
}