"عليهم" meaning in Arabic

{
  "forms": [
    {
      "form": "عَلَيْهِمْ",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʕalayhim",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ar",
        "2": "preposition form",
        "g": "m-p",
        "head": "عَلَيْهِمْ"
      },
      "expansion": "عَلَيْهِمْ • (ʕalayhim) m pl",
      "name": "head"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Arabic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Arabic links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "ʕalā",
          "word": "عَلَى"
        }
      ],
      "glosses": [
        "third-person plural masculine of عَلَى (ʕalā)"
      ],
      "id": "en-عليهم-ar-prep--ekVtNgO",
      "links": [
        [
          "عَلَى",
          "على#Arabic"
        ]
      ],
      "tags": [
        "form-of",
        "masculine",
        "plural",
        "third-person"
      ]
    }
  ],
  "word": "عليهم"
}

{
  "forms": [
    {
      "form": "عَلَيْهِمْ",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʕalayhim",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ar",
        "2": "preposition form",
        "g": "m-p",
        "head": "عَلَيْهِمْ"
      },
      "expansion": "عَلَيْهِمْ • (ʕalayhim) m pl",
      "name": "head"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        "Arabic entries with incorrect language header",
        "Arabic links with redundant target parameters",
        "Arabic non-lemma forms",
        "Arabic preposition forms"
      ],
      "form_of": [
        {
          "extra": "ʕalā",
          "word": "عَلَى"
        }
      ],
      "glosses": [
        "third-person plural masculine of عَلَى (ʕalā)"
      ],
      "links": [
        [
          "عَلَى",
          "على#Arabic"
        ]
      ],
      "tags": [
        "form-of",
        "masculine",
        "plural",
        "third-person"
      ]
    }
  ],
  "word": "عليهم"
}