"um por todos, todos por um" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "phrase"
      },
      "expansion": "um por todos, todos por um",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "one for all, all for one"
      ],
      "id": "en-um_por_todos,_todos_por_um-pt-phrase-09Pu6hln",
      "links": [
        [
          "one for all, all for one",
          "one for all, all for one"
        ]
      ]
    }
  ],
  "word": "um por todos, todos por um"
}

{
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "phrase"
      },
      "expansion": "um por todos, todos por um",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese phrases"
      ],
      "glosses": [
        "one for all, all for one"
      ],
      "links": [
        [
          "one for all, all for one",
          "one for all, all for one"
        ]
      ]
    }
  ],
  "word": "um por todos, todos por um"
}