"niño soldado" meaning in Spanish

{
  "forms": [
    {
      "form": "niños soldado",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "niños soldados",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "+first",
        "pl2": "+"
      },
      "expansion": "niño soldado m (plural niños soldado or niños soldados)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish nouns with multiple plurals",
          "parents": [
            "Nouns with multiple plurals",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Military",
          "orig": "es:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "child soldier"
      ],
      "id": "en-niño_soldado-es-noun-vUEcdaE5",
      "links": [
        [
          "child soldier",
          "child soldier"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "niño soldado"
}

{
  "forms": [
    {
      "form": "niños soldado",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "niños soldados",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "+first",
        "pl2": "+"
      },
      "expansion": "niño soldado m (plural niños soldado or niños soldados)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish masculine nouns",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with multiple plurals",
        "Spanish nouns with red links in their headword lines",
        "es:Military"
      ],
      "glosses": [
        "child soldier"
      ],
      "links": [
        [
          "child soldier",
          "child soldier"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "niño soldado"
}