"First People" meaning in English

{
  "forms": [
    {
      "form": "First Peoples",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "head": "First People"
      },
      "expansion": "First People (plural First Peoples)",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Native Americans",
          "orig": "en:Native Americans",
          "parents": [
            "Canada",
            "United States",
            "North America",
            "America",
            "Earth",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A First Nation; an indigenous North American people."
      ],
      "id": "en-First_People-en-name-qzbMcSLr",
      "links": [
        [
          "First Nation",
          "First Nation"
        ],
        [
          "indigenous",
          "indigenous"
        ],
        [
          "North American",
          "North American"
        ]
      ]
    }
  ],
  "word": "First People"
}

{
  "forms": [
    {
      "form": "First Peoples",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "head": "First People"
      },
      "expansion": "First People (plural First Peoples)",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Native Americans"
      ],
      "glosses": [
        "A First Nation; an indigenous North American people."
      ],
      "links": [
        [
          "First Nation",
          "First Nation"
        ],
        [
          "indigenous",
          "indigenous"
        ],
        [
          "North American",
          "North American"
        ]
      ]
    }
  ],
  "word": "First People"
}